solemn vs sedate

solemn and sedate both are adjectives.

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

As adjectives, solemn and sedate are synonyms defined as:

solemn and sedate: dignified and somber in manner or character and committed to keeping promises

Other synonyms of solemn include grave, sober.

solemn (adjective)	sedate (adjective)
dignified and somber in manner or character and committed to keeping promises	characterized by dignity and propriety
characterized by a firm and humorless belief in the validity of your opinions	dignified and somber in manner or character and committed to keeping promises

solemn (verb)	sedate (verb)
	cause to be calm or quiet as by administering a sedative to