tranquillize vs sedate

tranquillize is not an adjective while sedate is an adjective.

Word	Noun	Adjective	Verb	Adverb
tranquillize	No	No	Yes	No
sedate	No	Yes	Yes	No

As verbs, tranquillize and sedate are synonyms defined as:

tranquillize and sedate: cause to be calm or quiet as by administering a sedative to

Other synonyms of tranquillize include calm, tranquilize, tranquillise.

tranquillize (adjective)	sedate (adjective)
	characterized by dignity and propriety
	dignified and somber in manner or character and committed to keeping promises

tranquillize (verb)	sedate (verb)
cause to be calm or quiet as by administering a sedative to	cause to be calm or quiet as by administering a sedative to
make calm or still