the act of communicating with a deity (especially as a petition or in adoration or contrition or thanksgiving); "the priest sank to his knees in prayer"
A supplication is a prayer to God or a respectful request to someone in authority for help. He raised his arms in a gesture of supplication. when someone asks for help from someone in power or from God in supplication
ask humbly (for something); "He supplicated the King for clemency" ask for humbly or earnestly, as in prayer; "supplicate God's blessing" make a humble, earnest petition; "supplicate for permission