displace in WordNet English dictionary

1. terminate the employment of; discharge from an office or position
   "The boss fired his secretary today"; "The company terminated 25% of its workers"
   displace  fire  give notice  can  dismiss  give the axe  send away  sack  force out  give the sack  terminate 
   
2. cause to move, usually with force or pressure
   "the refugees were displaced by the war"
   displace 
   
3. cause to move or shift into a new position or place, both in a concrete and in an abstract sense
   "Move those boxes into the corner, please"; "I'm moving my money to another bank"; "The director moved more responsibilities onto his new assistant"
   move  displace 
   
4. take the place of or have precedence over
   "live broadcast of the presidential debate preempts the regular news hour"; "discussion of the emergency situation will preempt the lecture by the professor"
   preempt  displace