A childlike retort is a response to something that is said or done, usually in a playful or humorous manner. The crossword solution for the term 'childlike retort' is 'CANSO, ' which is an acronym for 'come and say so.' This phrase is often used as a retort when someone has made a statement that is not true or is otherwise questionable. It implies that if the person making the statement is so sure of its truth, they should come and say it to the person's face.