The term 'up for debate' is used to describe a topic or issue that is open to discussion and argument. The crossword solutions for this term are ARGUABLE (8 letters), CONTESTED (9 letters), and ATISSUE (7 letters). All three of these words refer to something that is open to debate, with ARGUABLE meaning something that can be argued either way, CONTESTED referring to something that is disputed or challenged, and ATISSUE meaning something that is being discussed or argued about.