acercarse - to approach

acompañar - to accompany, go with, escort

aconsejar - to advise

acontecer - to happen, occur, come about

acortar - to shorten

acostarse - to go to bed, lie down

acostumbrar - to be accustomed to, be in the habit of; to get </I>[someone]<I> used to

acostumbrarse - to get used to, get accustomed to

actuar - to act, perform, actuate, operate