From WordNet (r) 3.0 (2006):
unify
v 1: become one; "Germany unified officially in 1990"; "the
cells merge" [syn: unify, unite, merge] [ant: break
apart, disunify]
2: to bring or combine together or with something else;
"resourcefully he mingled music and dance" [syn: mix,
mingle, commix, unify, amalgamate]
3: bring together for a common purpose or action or ideology or
in a shared situation; "the Democratic Patry platform united
several splinter groups" [syn: unite, unify]
4: act in concert or unite in a common purpose or belief [syn:
unite, unify] [ant: carve up, dissever, divide,
separate, split, split up]
5: join or combine; "We merged our resources" [syn: unite,
unify, merge]