The term 'conceal or hide' can be expressed in a variety of ways. The crossword solutions for this term include 'SECRETE' (7 letters), 'MASK' (4 letters), 'CLOAK' (5 letters), 'STASH' (5 letters), and 'BURY' (4 letters). SECRETE means to keep something hidden or to keep it away from public knowledge. MASK implies covering up or disguising something. CLOAK is similar to MASK, but it also implies a sense of protection or safety. STASH means to store something away, usually in a secret place. Finally, BURY implies burying something in the ground, usually to keep it hidden.