THESAURUS
nestor
Buddha, Confucius, Father Time, Gandhi, Mentor, Methuselah, Old Paar, Plato, Socrates, Solomon, centenarian, dotard, elder, gaffer, geezer, golden-ager, gramps, grandfather, grandsire, graybeard, nonagenarian, octogenarian, old chap, old codger, old dog, old duffer, old geezer, old gent, old gentleman, old man, old party, old-timer, older, oldster, pantaloon, patriarch, presbyter, senior citizen, septuagenarian, sexagenarian, the quiet-voiced elders, venerable sir, veteran
ROGET THESAURUS
nestor
Advice
N
advice, counsel, adhortation, word to the wise, suggestion, submonition, recommendation, advocacy, advisement, exhortation, expostulation, admonition, guidance, instruction, charge, injunction, obtestation, Governor's message, President's message, King's message, Queen's speech, message, speech from the throne, adviser, prompter, counsel, counselor, monitor, mentor, Nestor, magnus Apollo, senator, teacher, guide, manual, chart, physician, doctor, leech, archiater, arbiter, reference, referment, consultation, conference, pourparler, recommendatory, hortative, dehortatory, admonitory, Int, go to!, give every man thine ear but few thy voice, I pray thee cease thy counsel, my guide, philosopher, and friend, 'twas good advice and meant, my son be good, verbum sat sapienti, a word to the wise is sufficient, vive memor leti, we, ask advice but we mean approbation.
Veteran
N
veteran, old man, seer, patriarch, graybeard, grandfather, grandsire, grandam, gaffer, gammer, crone, pantaloon, sexagenarian, octogenarian, nonagenarian, centenarian, old stager, dotard, preadamite, Methuselah, Nestor, old Parr, elders, forefathers, superfluous lags the veteran on the stage.
Sage
N
sage, wise man, genius, master mind, master spirit of the age, longhead, thinker, intellectual, longhair, authority, oracle, luminary, shining light, esprit fort, magnus Apollo, Solon, Solomon, Nestor, Magi, second Daniel, man of learning, expert, wizard, wiseacre, bigwig, know-it-all, poor man's Einstein, venerable, reverenced, emeritus, barba tenus sapientes.