familiar

I (customary) adjective accepted, accustomed, acknowledged, cliched, common, commonplace, consuetudinary, conventional, current, established, everyday, familiaris, frequent, general, generally seen, habitual, hackneyed, homely, household, humble, inveterate, natural, normal, notus, ordinary, popular, prevailing, prevalent, recognized, regular, regulation, routine, standard, stereotyped, stock, time-honored, traditional, typical, understood, unexceptional, universal, universally recognized, unoriginal, usual, well-known, well-trodden, widespread, wonted associated concepts: custom and usage II (informed) adjective accomplished, acquainted, advised, apprised, aware of, briefed, capable, certified, closely acquainted, cognitive, cognizant, competent, conscious, conversant, counseled, deft, dexterous, educated, enlightened, erudite, experienced, expert, fit, fitted, gnarus, instructed, intimate, knowing, knowledgeable, learned, lettered, literate, mindful, on intimate terms, peritus, practiced, prepared, privy to, proficient, qualified, schooled, sciens, sensible, skilled, skillful, trained, tutored, used to, versed, well-acquainted, well-educated, well-versed associated concepts: familiar with the facts sufficient to sign an affidavit III index accustomed (familiarized), brazen, close (intimate), cognizable, cognizant, common (customary), conventional, customary, frequent, habitual, informal, informed (having information), intimate, learned, mundane, nondescript, ordinary, presumptuous, prevailing (current), prevalent, proverbial, public (known), regular (conventional), routine, trite, typical, usual