Gave the nod to' is an idiom meaning to approve or agree to something. The crossword solutions for this phrase are 'signaled, ' 'OKAYED, ' and 'oked.' All three words mean to give approval or agreement, but in slightly different ways. 'Signaled' implies a physical gesture, such as a wave or a nod of the head. 'Oked' is a shortened version of 'OKAYED, ' which means to give permission or consent. Finally, 'OKAYED' is the most common way to express approval or agreement.