educative

adj

1. Serving to educate; educational.

   “[Y]ou didn't need a jailor, she contended, for a domesticated lamb tied up with pink ribbon. This was not an animal to be controlled—it was an animal to be, at the most, educated. She admitted accordingly that she was educative—which Maggie was so aware that she herself, inevitably, wasn't; so it came round to being true that what she was most in charge of was his mere intelligence.”