From Longman Dictionary of Contemporary Englishguidingguid‧ing /ˈɡaɪdɪŋ/ adjective 1 → guiding principle2 → guiding light/hand/star
Examples from the Corpus
guiding• The time seems ripe to change these guiding beliefs.• It is guiding principle, abiding truth.• They are the guiding principle in his life and work and must be clearly visible in any evaluation.• They can do this by establishing clear guiding principles against which all actions need to be evaluated.• I think certain guiding principles can help and offer starting- points for reflective thinking. 