The term A-O.K. is an informal way of expressing approval or agreement. It is often used to indicate that something is satisfactory or acceptable. The crossword solutions for this term are JAKE (4 letters), PEACHY (6 letters), and Fineanddandy (12 letters). JAKE is a common name, and can also be used as a slang term for someone who is good at something. PEACHY is an adjective meaning excellent or satisfactory. Finally, Fineanddandy is a phrase used to express approval or agreement, similar to A-O.K.