Textual thesaurus for "smarten up"
(verb) spruce, spruce up, slick up
dress and groom with particular care, as for a special occasion
He spruced up for the party
(verb) titivate, tittivate, spiff up, spruce, spruce up, slick up
make neat, smart, or trim
Spruce up your house for Spring; titivate the child