Ant. Fury, frenzy, susceptibility, sensitiveness, anxiety, excitement, agitation, feeling, passion, vehemence, emotion.
Ape, v. Mimic, imitate, counterfeit, copy, affect, personate, represent.
Ant. Vary, modify, change.
Aperture. Opening, hole, gap, rift, chasm, loophole, orifice, cleft.
Ant. Closure, blank wall; seclusion, imperviousness.
Apex. Acme, vertex, pinnacle, summit.
Ant. Base, nadir, foot, root.
Aphorism. Adage, maxim, proverb, saying, dictum, apothegm, saw.
Ant. Lecture, disquisition, discourse, sermon.
Apiece. Each, individually, severally, distributively, separately.