Something to tip is a phrase that is commonly used when referring to an object or service that is worthy of a gratuity. The three crossword solutions for this phrase are HAT (3 letters), CAP (3 letters), and SCALES (6 letters). A HAT is a head covering, usually made of fabric, that is worn for protection from the elements or as a fashion accessory. A CAP is a type of HAT with a flat brim and a rounded crown. Scales are instruments used to measure weight or mass.