μετάνοιαmetánoia

(subjectively) compunction (for guilt, including reformation); by implication, reversal (of (another's) decision)

Greek (New Testament) · G3341

Meanings

after-thought, change of mind, repentance: Hebrews 12:17; of repentance from sin, Matthew 3:8, Matthew 3:11, Luke 3:8, Luke 15:7, Luke 24:47, Acts 26:20, 2 Corinthians 7:9, 2 Corinthians 7:10; βάπτισμα (see that word) μετανοίας, Mark 1:4, Luke 3:3, Acts 13:24, Acts 19:4; ἡ εἰς θεὸν μ., Acts 20:21; μ. ἀπὸ νεκρῶν ἔργων, Hebrews 6:1; εἰς μ. καλεῖν, Luke 5:32; id. ἄγειν, Romans 2:4; ἀνακαινίζειν, Hebrews 6:6; εἰς μ. χωρῆσαι, 2 Peter 3:9; μ. δοῦναι, Acts 5:31, Acts 11:18, 2 Timothy 2:25.

Same root

Where it appears

Appears 22 times in the Bible.

  • Matthew 3:8 Prove by the way you live that you have repented of your sins and turned to God.
  • Matthew 3:11 “I baptize with water those who repent of their sins and turn to God. But someone is coming soon who is greater than I am—so much greater that I’m not worthy even to be his slave and carry his sandals. He will baptize you with the Holy Spirit and with fire.
  • Mark 1:4 This messenger was John the Baptist. He was in the wilderness and preached that people should be baptized to show that they had repented of their sins and turned to God to be forgiven.
  • Luke 3:3 Then John went from place to place on both sides of the Jordan River, preaching that people should be baptized to show that they had repented of their sins and turned to God to be forgiven.
  • Luke 3:8 Prove by the way you live that you have repented of your sins and turned to God. Don’t just say to each other, ‘We’re safe, for we are descendants of Abraham.’ That means nothing, for I tell you, God can create children of Abraham from these very stones.
  • Luke 5:32 I have come to call not those who think they are righteous, but those who know they are sinners and need to repent.”
See every passage

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.