THESAURUS
inveteracy
abidingness, aboriginality, accustomedness, age, ancien regime, ancientness, antiquity, atavism, changelessness, cobwebs of antiquity, commonness, confirmation, confirmedness, constancy, customariness, deep-rootedness, deep-seatedness, durability, durableness, duration, dust of ages, eld, elderliness, eldership, embedment, endurance, entrenchment, establishment, firmness, fixation, fixedness, fixity, fixture, frozenness, great age, habitualness, hardening, hoary age, hoary eld, immobility, immovability, immovableness, immutability, implantation, infixion, invariability, invariableness, inveterateness, lastingness, long standing, old age, old order, old style, oldness, permanence, permanency, perpetualness, persistence, persistency, prevalence, primitiveness, primogeniture, primordialism, primordiality, quiescence, rigidity, senility, seniority, settledness, solidity, stability, stabilization, standing, stasis, steadfastness, torpor, unchangeability, unchangingness, venerableness, wontedness