teachable

Short definition from Wiktionary

Adjective

1. 1
   Capable of being taught; apt to learn.
2. 2
   Willing to receive instruction or to learn; docile.
3. 3
   That can be taught.
4. 4
   Facilitating teaching; instructive.

Noun

1. 1
   A major or minor academic concentration that is an acceptable prerequisite for certain teaching certifications or teacher education programs.