smarten up vs beautify

smarten up and beautify both are verbs.

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

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

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

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