πιστόν Save πιστόν, pledge Could not find πιστοῖσι in Logeion dictionaries. πιστοῖσι Noun: neuter dative plural of πιστόν πιστοῖσι Adjective: masculine dative plural, Adjective: neuter dative plural of πιστός2 See πιστοῖσι in Morpho LSJ Pape πιστόν, τό, v. πιστός (B) III. πιστόν, τό, s. πιστός.