[lur-nid for 1–3; lurnd for 4] 
| 1. | having much knowledge; scholarly; erudite: learned professors. |
| 2. | connected or involved with the pursuit of knowledge, esp. of a scholarly nature: a learned journal. |
| 3. | of or showing learning or knowledge; well-informed: learned in the ways of the world. |
| 4. | acquired by experience, study, etc.: learned behavior. |
nɪd