guid‧ing /ˈɡaɪdɪŋ/
adjective1. guiding principle something that helps you decide what to do in a difficult situation:
Fairness, rather than efficiency, is the guiding principle.2. guiding light/hand/star someone whose ideas and advice people follow:
Eddie was his hero – his guiding light. He really needed a guiding hand. [TahlilGaran] Dictionary of Contemporary English ▲