American Standard Version (ASV):
if ye then have dealt truly and uprightly with Jerubbaal and with his house this day, then rejoice ye in Abimelech, and let him also rejoice in you:
King James Version (KJV):
If ye then have dealt truly and sincerely with Jerubbaal and with his house this day, [then] rejoice ye in Abimelech, and let him also rejoice in you: