Answer: aseal

AnswerCrossword Clue
ASEAL"Set me as ... upon...": Song of Solomon
ASEAL"Set me as ... upon thine heart"
ASEAL" . . . ... upon thine heart": Song of Solomon
ASEAL" . . . You Heard ... Bark": Thurber
ASEAL"Set me as ... upon thine heart . . . ": Song of Solomon
ASEALGive -- of approval