How do you spell Ascetic

Available Definitions:
1) a. - Extremely rigid in self-denial and devotions; austere; severe.
2) n. - In the early church, one who devoted himself to a solitary and contemplative life, characterized by devotion, extreme self-denial, and self-mortification; a hermit; a recluse; hence, one who practices extreme rigor and self-denial in religious things.