integration in WordNet English dictionary

1. the act of combining into an integral whole
   "a consolidation of two corporations"; "after their consolidation the two bills were passed unanimously"; "the defendants asked for a consolidation of the actions against them"
   consolidation  integration 
   
2. the action of incorporating a racial or religious group into a community
   integration  integrating  desegregation 
   
3. an operation used in the calculus whereby the integral of a function is determined
   integration