The term ATTACH, AS A BROOCH can be solved by the following crossword solutions: PINON (5 letters), REPIN (5 letters), UNPIN (5 letters), SEW (3 letters), and AFFIX (5 letters). PINON is a verb meaning to fasten or secure with a pin. REPIN is a verb meaning to fasten or secure again with a pin. UNPIN is a verb meaning to unfasten or remove a pin. SEW is a verb meaning to join or fasten together with stitches. AFFIX is a verb meaning to attach or fasten something in a permanent way. All of these words refer to the action of attaching something, such as a brooch, with a pin or other fastener.