The Collaborative International Dictionary of English v.0.48:
Learned \Learn"ed\ (l[~e]rn"[e^]d), a.
Of or pertaining to learning; possessing, or characterized
by, learning, esp. scholastic learning; erudite;
well-informed; as, a learned scholar, writer, or lawyer; a
learned book; a learned theory.
The learnedlover lost no time. --Spenser.
Men of much reading are greatly learned, but may be
little knowing. --Locke.
Words of learned length and thundering sound.
The learned, learned men; men of erudition; scholars. --
Learn"ed*ly, adv. Learn"ed*ness, n.
Every coxcomb swears as learnedly as they. --Swift.