abiding, accordant, adamant, age-long, aged, alike, ancient, antique, ardent, assiduous, automatic, balanced, calculable, changeless, chronic, committed, consistent, consonant, constant, continuing, continuous, cool, correspondent, dedicated, deep-rooted, dependable, determined, devoted, diligent, diuturnal, dogged, durable, enduring, equable, equal, even, evergreen, faithful, faithworthy, fast, fiducial, firm, firm as Gibraltar, fixed, flat, flinty, frozen, hardy, homogeneous, immobile, immotile, immotive, immovable, immutable, imperturbable, in equilibrium, inalterable, indefatigable, indomitable, industrious, inexorable, inflexible, insistent, intact, intransient, invariable, inveterate, invincible, inviolate, irremovable, lasting, level, liege, long-lasting, long-lived, long-standing, long-term, longeval, longevous, loyal, macrobiotic, marble-constant, measured, mechanical, methodic, monolithic, never-failing, never-tiring, obdurate, obstinate, of a piece, of long duration, of long standing, ordered, orderly, patient, patient as Job, perdurable, perduring, perennial, permanent, perpetual, perseverant, persevering, persistent, persisting, pertinacious, plodding, plugging, predictable, preoccupied, quiescent, rapt, regular, relentless, reliable, remaining, resolute, resolved, rigid, robotlike, secure, sedulous, sempervirent, set, settled, single-minded, sleepless, slogging, smooth, solid, sot, sound, stable, static, stationary, staunch, staying, steady, steely, stubborn, substantial, sure, surefire, sustained, systematic, tenacious, tested, tireless, torpid, tough, tried, tried and true, true, true-blue, trustworthy, trusty, unabating, unaltered, unbending, unbroken, unchangeable, unchanged, unchanging, unchecked, unconquerable, undaunted, undeflectable, undestroyed, undeviating, undifferentiated, undiscouraged, undiversified, undrooping, unfading, unfailing, unfaltering, unflagging, unflappable, unflinching, uniform, unintermitting, uninterrupted, unmovable, unnodding, unqualified, unquestioning, unrelaxing, unrelenting, unremitting, unruffled, unshakable, unshaken, unshifting, unsleeping, unswerving, untiring, unvaried, unvarying, unwavering, unwearied, unwearying, unwinking, unyielding, utterly attentive, vital, weariless, well-balanced, well-founded, well-grounded, wholehearted, without nerves
perseverance, continuance, permanence, firmness, constancy, steadiness, singleness of purpose, tenacity of purpose, persistence, plodding, patience, sedulity, pertinacy, pertinacity, pertinaciousness, iteration, bottom, game, pluck, stamina, backbone, grit, indefatigability, indefatigableness, bulldog courage, persevering, constant, steady, steadfast, undeviating, unwavering, unfaltering, unswerving, unflinching, unsleeping, unflagging, undrooping, steady as time, unrelenting, unintermitting, unremitting, plodding, industrious, strenuous, pertinacious, persisting, persistent, solid, sturdy, staunch, stanch, true to oneself, unchangeable, unconquerable, indomitable, game to the last, indefatigable, untiring, unwearied, never tiring, through evil report and good report, through thick and thin, through fire and water, per fas et nefas, without fail, sink or swim, at any price, vogue la galere, never say die, give it the old college try, vestigia nulla retrorsum, aut vincer aut mori, la garde meurt et ne se rend pas, tout vient a temps pour qui sait attendre.
stability, immutability, unchangeability unchangeableness, constancy, stable equilibrium, immobility, soundness, vitality, stabiliment, stiffness, ankylosis, solidity, aplomb, establishment, fixture, rock, pillar, tower, foundation, leopard's spots, Ethiopia's skin, permanence, obstinacy, unchangeable, immutable, unaltered, unalterable, not to be changed, constant, permanent, invariable, undeviating, stable, durable, perennial, fixed, steadfast, firm, fast, steady, balanced, confirmed, valid, fiducial, immovable, irremovable, riveted, rooted, settled, established, vested, incontrovertible, stereotyped, indeclinable, tethered, anchored, moored, at anchor, on a rock, rock solid, firm as a rock, firmly seated, firmly established, deep-rooted, ineradicable, inveterate, obstinate, transfixed, stuck fast, aground, high and dry, stranded, stuck, jammed, unremovable, quiescent, deterioration, indefeasible, irretrievable, intransmutable, incommutable, irresoluble, irrevocable, irreversible, reverseless, inextinguishable, irreducible, indissoluble, indissolvable, indestructible, undying, imperishable, incorruptible, indelible, indeciduous, insusceptible, insusceptible of change, Int, stet, littera scripta manet.
attention, mindfulness, presence of mind, intentness, intentiveness, alertness, thought, advertence, advertency, observance, observation, consideration, reflection, perpension, heed, heedfulness, particularity, notice, regard, circumspection, diligence, study, scrutiny inspection, introspection, revision, revisal, active application, diligent application, exclusive application, minute application, close application, intense application, deep application, profound application, abstract application, labored application, deliberate application, active attention, diligent attention, exclusive attention, minute attention, close attention, intense attention, deep attention, profound attention, abstract attention, labored attention, deliberate attention, active thought, diligent thought, exclusive thought, minute thought, close thought, intense thought, deep thought, profound thought, abstract thought, labored thought, deliberate thought, active study, diligent study, exclusive study, minute study, close study, intense study, deep study, profound study, abstract study, labored study, deliberate study, minuteness, attention to detail, absorption of mind, indication, calling attention to, attentive, mindful, observant, regardful, alive to, awake to, observing, alert, open-eyed, intent on, taken up with, occupied with, engaged in, engrossed in, wrapped in, absorbed, rapt, transfixed, riveted, mesmerized, hypnotized, glued to (the TV, the window, a book), breathless, preoccupied, watchful, breathless, undistracted, upon the stretch, on the watch, steadfast, interesting, engrossing, mesmerizing, riveting, Int, see!, look, look here, look you, look to it!, mark!, lo!, behold!, soho!, hark, hark ye!, mind!, halloo!, observe!, lo and behold!, attention!, nota bene, N, B, note well, I'd have you to know, notice!, O yes!, Oyez!, dekko!, ecco!, yoho!, this is to give notice, these are to give notice, dictum sapienti sat est, a word to the wise is sufficient, finem respice, Attention! Now hear this! Oyez!, Achtung, vnimanie, chui.