Etymology From Middle English techeable, techeabyll, techeabylle, equivalent to teach + -able.
1
Capable of being taught; apt to learn.
2
Willing to receive instruction or to learn; docile.
3
That can be taught.
Common sense is not a teachable subject.
4
Facilitating teaching; instructive.
Such natural opportunities for social learning become teachable moments, in which children are motivated to learn new strategies.2011, Marjorie Kostelnik, Kara Gregory, Anne Soderman, Guiding Children's Social Development and Learning, page 10: