Synonyms for Cover up:

n.

try on, clothe, pull on, wear, dress, get dressed, put on, slip into. ploy, subterfuge, trick, ruse, hoax, dodge, prank, dirty tricks, scheme. overlook, play/act dumb, turn a blind eye (to something), sweep aside, ignore, gloss over, wink at, connive, look the other way. cheat (noun)
dodge, hoax.
cover-up (noun)
cover.
cover up (noun)
cover.
deception (noun)
subterfuge, ruse, trick.
pretext (noun)
ploy.

v.

conceal (verb)
cover.
cover (verb)
dress, clothe, put on.
disguise (verb)
gloss over.
perception (verb)
cover.

Other synonyms:

dress, try on, clothe, slip into, pull on. put on. wear. Other relevant words:
gloss over, cover, clothe, trick, subterfuge, put on.