sedate vs tranquillise

sedate is an adjective but tranquillise is not an adjective.

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

As verbs, sedate and tranquillise are synonyms defined as:

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

Other synonyms of sedate include calm, tranquilize, tranquillize.

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

sedate (verb)	tranquillise (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