mask
mask
noun
A covering for the face, worn for disguise, protection, or medical reasons.
"She wore a surgical mask in the hospital."
verb
To cover or conceal something, often to hide its true nature or presence.
"He tried to mask his disappointment."
Thesaurus
Synonyms: dissemble, cloak, disguise, masquerade party, masquerade, masque, block out
Antonyms: unmask