The term 'LET'S DO THIS!' is an expression of enthusiasm and encouragement, often used to signify the beginning of a task or activity. The crossword solutions for this phrase are YES (3 letters), EAT (3 letters), IMIN (4 letters), ITSON (5 letters), IMREADY (7 letters), and TAKEITAWAY (10 letters). These words can be interpreted as affirmative responses to the phrase, such as 'YES, let's do this!', 'I'm in!', 'It's on!', 'I'm ready!', and 'Take it away!'.