repress in WordNet English dictionary

1. put down by force or intimidation
   "The government quashes any attempt of an uprising"; "China keeps down her dissidents very efficiently"; "The rich landowners subjugated the peasants working the land"
   repress  quash  keep down  subdue  subjugate  reduce 
   
2. conceal or hide
   "smother a yawn"; "muffle one's anger"; "strangle a yawn"
   smother  stifle  strangle  muffle  repress 
   
3. block the action of
   repress 
   
4. put out of one's consciousness
   suppress  repress