The term 'inevitably' is defined as something that is certain to happen and cannot be avoided. The crossword solutions for this term include 'CERTAINLY' (9 letters), 'ALWAYS' (6 letters), 'perforce' (8 letters), 'NECESSARILY' (11 letters), 'forsure' (7 letters), 'willynilly' (10 letters), and 'soonerorlater' (13 letters). All of these words are synonyms for 'inevitably' and indicate that something is certain to occur, regardless of the circumstances.