[ verb ] (politics) 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"
Used in print(William C. Smith, "Why Fear Ideas?"...)
New ideas were dangerous and must be repressed , no_matter_how .
Hence , the only defensible procedure is to repress any and every notion , unless it gives evidence that it is perfectly safe .