usage: 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"
13. reduce, separate, divide, part
usage: undergo meiosis; "The cells reduce"
14. reduce, reposition
usage: reposition (a broken bone after surgery) back to its normal site
15. reduce, de-emphasize, de-emphasise, destress
usage: destress and thus weaken a sound when pronouncing it