smarten up vs embellish

smarten up and embellish both are verbs.

Word	Noun	Adjective	Verb	Adverb
smarten up	No	No	Yes	No
embellish	No	No	Yes	No

As verbs, embellish is a hypernym of smarten up; that is, embellish is a word with a broader meaning than smarten up:

Other hypernyms of smarten up include beautify, fancify, prettify.

smarten up (verb)	embellish (verb)
dress and groom with particular care, as for a special occasion	make more beautiful
make neat, smart, or trim	add details to
	make more attractive by adding ornament, colour, etc.
	be beautiful to look at