The term 'go well together' can be summarized by three crossword solutions: BLEND, AGREE, and MESH. The term 'BLEND' implies combining two or more elements to form a single entity. 'AGREE' suggests that two or more parties have reached a consensus on an issue. Finally, 'MESH' implies that two or more components fit together in a harmonious way. All three words suggest that two or more entities can work together in a cooperative manner.