to give up
abandon
Reduce, to make something briefer.
Abbriviate
Abandon, give up.
abdicate
solemnly renounce
abjure
Temporary stay
abode
  Born or happen to be really different from other or what is should be formed like
abortive
plentiful
abundant
The bottomless gulf, pit, or chaos
abyss
studies
academic
  Something that can be used simply (providing access)
accessible
  a thing that can be added to something else in order to make it more useful, versatile, or attractive
accessory
to applaud praise
acclaim
  A person who provides a musical accompaniment to another musician or to a singer.
Accompanist
  play a musical accompaniment for
Accompany
  a person who helps another commit a crime.
Accomplice
  Successfully finish something.
  accomplish
highly trained or skilled
accomplished