The term GIVES IN (TO) can be solved in a crossword puzzle using the words SUCCUMBS (8 letters), YIELDS (6 letters), and ASSENTS (7 letters). To give in (to) means to surrender or accept defeat, to agree to something, or to yield to a demand. Succumbs implies a complete surrender or submission, while yields suggests a less absolute form of giving in. ASSENTS is a more formal way of saying that one agrees to something.