A helpful suggestion is a way of providing advice or guidance to someone. In this crossword, the solutions for the term 'helpful suggestion' are TIP (3 letters), HINT (4 letters), and SUNSHINE (8 letters). TIP is an acronym for 'To Insure Promptness' and is used to provide a reminder or advice to someone. A HINT is a subtle indication or clue that can be used to help someone understand something. Lastly, SUNSHINE is a metaphor for optimism and positivity, suggesting that one should look on the bright side of things.