The term 'Shake on it' is a phrase used to signify an agreement between two parties. The crossword solutions for this term are 'DEAL' (4 letters), 'AGREE' (5 letters), 'PAW' (3 letters) and 'seal the DEAL' (11 letters). The phrase 'seal the DEAL' is often used to indicate that an agreement has been made and is now binding. The other words in the crossword solutions, such as 'DEAL' and 'AGREE', also suggest that an agreement has been made. The word 'PAW' is likely included as a reference to the traditional handshake, which is often used to signify an agreement between two parties.