G4103 πιστός (pistós)

KJV renderings: believe(-ing, -r), faithful(-ly), sure, true
Strong's definition: objectively, trustworthy; subjectively, trustful
Derivation: from G3982 (πείθω);

From James Strong's public-domain dictionaries (G), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.