lodestar
noun
[ ˈləʊdstɑː ]
• a star that is used to guide the course of a ship, especially the Pole Star.
Similar:
guide,
guiding star,
guiding light,
role model,
model,
luminary,
exemplar,
ideal,
inspiration,
criterion,
aim,
guiding principle,
standard,
pattern,
Origin:
Middle English: from lode in the obsolete sense ‘way, course’ + star.
