Unlock the secret to optimism with this crossword clue

As a detective solving the mystery of the crossword clue ‘Optimistic’, the first thing I do is peruse the letters available to me. I notice that there are five of them, which can narrow down the possibilities. Looking closely at the letters, I notice the letter ‘U‘, which immediately stands out to me. As I continue to ponder, the word ‘Upbeat‘ pops into my mind. ‘Upbeat‘ is a common word used to describe a positive outlook or optimistic demeanor. I try it out by filling in the letters, and it fits perfectly! I am confident that I have solved the mystery of the crossword clue ‘Optimistic’ with the answer ‘UPBEAT‘.