transitive verb indoctrinated -·nat′ed, indoctrinating -·nat′·ing

1. to instruct in, or imbue with, doctrines, theories, or beliefs, as of a sect
2. to instruct; teach

Etymology: prob. (after ML doctrinatus, pp. of doctrinare, to instruct < L doctrina) < ME endoctrinen < OFr endoctriner: see in- & doctrine