The crossword solution for the term 'inspirational catchphrase' is 'MOTTO, ' which is a five-letter word. A MOTTO is a phrase that is used to express a guiding principle or ideal, often used to inspire and motivate people. It is usually short and memorable, and can be used as a rallying cry or slogan. Mottos are often associated with organizations, families, and nations, and can be found in literature, music, and other forms of art.