repress

(verb) put down by force or intimidation. Synonyms: quash, keep down, subdue, subjugate, reduce. Examples: "The government quashes any attempt of an uprising." "China keeps down her dissidents very efficiently." "The rich landowners subjugated the peasants working the land."

(verb) conceal or hide. Synonyms: smother, stifle, strangle, muffle. Examples: "Smother a yawn." "Muffle one's anger." "Strangle a yawn."

(verb) put out of one's consciousness. Synonyms: suppress.

(verb) block the action of.