Acknowledge. Recognize, be aware of; admit, concede, allow, accept; confess, avow; express thanks for; own or profess.
Ant. Disclaim, disown, deny, repudiate, ignore, disavow.
Acme. Summit, zenith, climax, top, apex, vertex, pinnacle, culmination.
Ant. Base, nadir, depth, ground, foundation, foot, root.
Acquaintance. Association, familiarity; friend; intimacy, companionship, experience, knowledge, friendship, fellowship.
Ant. Ignorance, inexperience, unfamiliarity, ignoring.
Acquiesce. Assent, concur, yield, comply, submit, agree, consent.
Ant. Object, demur, dissent.
Acquire. Gain, earn, win, reap, obtain, attain, achieve, get, secure; master, learn thoroughly.
Ant. Lose, surrender, miss, forego, forfeit.