" unify "

1: to bring (something) to a central point or under a single control;

  * e.g., " ... will unify the several departments into a single operation "

•  Synonyms : 

•  center,

•  centralize,

•  compact,

•  concenter,

•  concentrate,

•  consolidate,

•  unite

•  Antonyms : 

•  decentralize,

•  deconcentrate,

•  spread (out)

2: to come together to form a single unit;

  * e.g., " ... the two labor unions unified in order to strengthen their bargaining position with the manufacturers "

•  Synonyms : 

•  associate,

•  coalesce,

•  combine,

•  conjoin,

•  conjugate,

•  connect,

•  couple,

•  fuse,

•  interfuse,

•  join,

•  link (up),

•  marry,

•  unite

•  Antonyms : 

•  break up,

•  dissever,

•  part,

•  section,

•  separate,

•  sever,

•  split,

•  sunder,

•  unlink