Abelard, Peter (Ab`elard, Peter) , a theologian and scholastic philosopher of French birth, renowned for his dialectic ability, his learning, his passion for Héloïse, and his misfortunes; made conceivability the test of credibility, and was a great teacher in his day (1079‒1142).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Abel, Henry * Abelli