6 letters · 8 points in Scrabble
noun a fundamental principle or practice
noun anything that approximates the shape of a column or tower
noun a prominent supporter
originFrom Middle English piler, from Old French pilier, from Medieval Latin or Vulgar Latin *pilāre (“a pillar”), from Latin pila (“a pillar, pier, mole”).
Etymology from Wiktionary, CC BY-SA 3.0