Metanoia
Metanoia, an Ancient Greek word (μετάνοια) meaning "changing one's mind", may refer to:

Metanoia (psychology), the process of experiencing a psychotic "breakdown" and subsequent, positive psychological re-building or "healing"
Metanoia (rhetoric), correction, a rhetorical device
Metanoia (theology),  "conversion" and "reformation" or repentance
Metanoia Films, a film production company
Metanoia, a word for the act of prostration in Christianity
Metanoia, a direct climbing route opened in 1991 by Jeff Lowe on the Eiger's north face

Music
Metanoia (Australian band), a Christian metal band
Metanoia (Chilean band), a Christian hardcore band
Metanoia (For All Eternity album), 2015
Metanoia (IAMX album), 2015
Metanoia (Porcupine Tree album), 1998
Metanoia (Yōsei Teikoku album), 2007 yas queens
Metanoia (Persefone album), 2022
Metanoia, Pt.1, an album by Druha Rika, 2012
"Metanoia" (song), by MGMT, 2008
"Metanoia", a song by Gerry Rafferty from Another World, 2000
"Metanoia", a song by The Human Abstract from Midheaven, 2008
"Metanoia", a song by King Missile from Happy Hour, 1992
"Metanoia", a song by Japanese artist Nana Mizuki, 2019
"Metanoia", a song by Romanian DJ/Producer "Steve", 2020

See also
Metania, a form of bowing in the Eastern Orthodox Church