integrate in WordNet English dictionary

1. open (a place) to members of all races and ethnic groups
   "This school is completely desegregated"
   desegregate  integrate  mix 
   
2. make into a whole or make part of a whole
   "She incorporated his suggestions into her proposal"
   integrate  incorporate 
   
3. become one; become integrated
   "The students at this school integrate immediately, despite their different backgrounds"
   integrate 
   
4. calculate the integral of; calculate by integration
   integrate