ACKNOWLEDGE—avow, confess, own, recognize, admit, grant, concede. (Repudiate, disclaim, disallow, disown, deny.)
ACQUAINT—make known, apprise, inform, communicate, intimate, notify. (Leave ignorant, keep secret, conceal.)
ACQUAINTANCE—knowledge, familiarity, fellowship, companionship. (Ignorance, stranger.)
ACQUIESCE—yield, concur, agree, assent. (Protest, object, dissent, secede, oppose.)
ACQUIT—set free, release, discharge, clear, absolve, exculpate, exonerate, liberate, deliver. (Accuse, impeach, charge, blame, convict.)
ACT, v.—do, perform, commit, operate, work, practice, behave, personate, play, enact. (Neglect, cease, desist, rest, wait, lie idle, refrain.)
ACTION—working, agency, operation, business, gesture, engagement, fight, deed, battle, feat. (Inaction, repose, rest, idleness, ease, indolence, inertia, passiveness, quiescence, dormancy.)
ACTIVE—energetic, busy, stirring, alive, brisk, operative, lively, agile, nimble, diligent, sprightly, alert, quick, supple, prompt, industrious. (Passive, inert, dead, extinct, dull, torpid, sluggish, indolent, lazy, dormant, quiescent, asleep.)
ACTUAL—real, positive, existing, certain. (False, imaginary, theoretical, illusive, fictitious.)
ACUTE—sharp, pointed, penetrating, piercing, keen, poignant, pungent, intense, violent, shrill, sensitive, sharp-witted, shrewd, discriminating, clever, cunning. (Obtuse, blunt, bluff, dull, flat, callous, stupid, apathetic.)