Strong's #1995: epistrophe (pronounced ep-is-trof-ay')
from 1994; reversion, i.e. morally, revolution:--conversion.
Thayer's Greek Lexicon:
̓́
epistrophē
1) conversion (of the Gentiles from idolatry to the true God)
Part of Speech: noun feminine
Relation: from G1994
Citing in TDNT: 7:722, 1093
Usage:
This word is used 1 times:
Acts 15:3: "Samaria, declaring the conversion of the Gentiles: and they caused"