In‐doc″tri‐nate (?), v. t. [imp. & p. p.Indoctrinated (?); p. pr. & vb. n.Indoctrinating.] [Pref. in- in + L. doctrina doctrine: cf. F. endoctriner.] To instruct in the rudiments or principles of learning, or of a branch of learning; to imbue with learning; to instruct in, or imbue with, principles or doctrines; to teach; — often followed by in.
A master that... took much delight in indoctrinating his young, unexperienced favorite. Clarendon.