animate
liven, inanimate
annoy
bother, please
annual
yearly, perennial
answer
reply,question
antique
ancient, mordern
anxious
nervous, calm
apart
isolated, together
appear
surface, disappear
approve
sanction, disapprove
arrival
return, departure
arrive
enter, leave
ashamed
guilty, ushamed
assembly
gathering, opening
attach
bond, deatch
attack
assault, defend
attention
care, neglect
attentive
heedful, inattentive
attract
draw, repel
available
obtainable, unavailable
aware
mindful, unaware
attack
asault, defend
awful
dreadful, good
backward
rearward, forward
baffle
puzzle, enlighten