calm down vs conciliate

calm down and conciliate both are verbs.

Word	Noun	Adjective	Verb	Adverb
calm down	No	No	Yes	No
conciliate	No	No	Yes	No

As verbs, conciliate is a hyponym of calm down; that is, conciliate is a word with a more specific, narrower meaning than calm down:

Other hyponyms of calm down include lull, compose, appease, assuage, gentle, gruntle, lenify, mollify, pacify, placate.

calm down (verb)	conciliate (verb)
become quiet or less intensive	make (one thing) compatible with (another)
make calm or still	come to terms
become quiet or calm, especially after a state of agitation	cause to be more favorably inclined; gain the good will of