The term 'GIVES ONE'S APPROVAL' can be summarized by three crossword solutions: BLESSES (7 letters), OKS (3 letters), and SAYSYES (7 letters). BLESSES is a religious term that means to ask for divine favor or protection. OKS is an informal way of expressing agreement or approval. SAYSYES is another informal way of expressing agreement or approval. All three terms indicate that someone is giving their approval of something.