Definition from Wiktionary, the free dictionary
From Japanese 悟り (さとり) (satori, “understanding”)
- IPA: /sæˈtɔːri/
- (Zen Buddhism) A sudden inexpressible feeling of inner understanding or enlightenment.
- 2005: What happened to the Merry Band on its trip during the summer of 1964 ranged from the cosmically sublime to the ridiculous, from peak ecstasy to full-tilt satori. — Martin Torgoff, Can't Find My Way Home (Simon & Schuster 2005, p. 115)
See also 
- dative singular of sator