Shake hands is a common gesture used to GREET someone or to show agreement. The crossword solutions for the term shake hands are GREET (5 letters), COMETOTERMS (11 letters), and MEETHALFWAY (11 letters). GREET is a verb meaning to welcome or acknowledge someone, while COMETOTERMS and MEETHALFWAY both refer to the idea of compromise or finding a middle ground. COMETOTERMS suggests that two parties come to an agreement, while MEETHALFWAY implies that both sides should be willing to make concessions in order to reach a resolution.