PRINCIPLE (2)
Source: 566, 567
principle (2). Principle, v.t. to instruct, teach, fix in a tenet
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Prin″ci‐ple (?), v. t. [imp. & p. p. Principled (?); p. pr. & vb. n. Principling (?).] To equip with principles; to establish, or fix, in certain principles; to impress with any tenet, or rule of conduct, good or ill. Governors should be well principled. L'Estrange. Let an enthusiast be principled that he or his teacher is inspired. Locke.