Righto!' is an expression of agreement, enthusiasm, or understanding. It is often used as a response to a statement or question. The crossword solutions for the term 'Righto!' include Yessiree (8 letters), YEAH (4 letters), YES (3 letters), Isee (4 letters), OKAY (4 letters), Roger (5 letters), and Youbetcha (9 letters). These words are all variations of the phrase 'Righto!' and can be used to express agreement, enthusiasm, or understanding.