Noah Webster
Learnt
LEARNT, lernt. participle passive Obtained as knowledge or information.
LEARNED, adjective lern'ed.
1. Versed in literature and science; as a learned man.
2. Skillful; well acquainted with arts; knowing; within; as learned in martial arts.
3. Containing learning; as a learned treatise or publication.
4. Versed in scholastic, as distinct from other knowledge.
Men of much reading are greatly learned, but may be little knowing.
The learned, learned men; men of erudition; literati.