Principle /(?)/

1. Beginning; commencement. [Obs.]

   Doubting sad end of principle unsound.

2. A source, or origin; that from which anything proceeds; fundamental substance or energy; primordial substance; ultimate element, or cause.

   The soul of man is an active principle.

3. An original faculty or endowment.

   Nature in your principles hath set [benignity].

   Those active principles whose direct and ultimate object is the communication either of enjoyment or suffering.

4. A fundamental truth; a comprehensive law or doctrine, from which others are derived, or on which others are founded; a general truth; an elementary proposition; a maxim; an axiom; a postulate.

   Therefore, leaving the principles of the doctrine of Christ, let us go on unto perfection.

   A good principle, not rightly understood, may prove as hurtful as a bad.

5. A settled rule of action; a governing law of conduct; an opinion or belief which exercises a directing influence on the life and behavior; a rule (usually, a right rule) of conduct consistently directing one's actions; as, a person of no principle.

   All kinds of dishonesty destroy our pretenses to an honest principle of mind.

6. Any original inherent constituent which characterizes a substance, or gives it its essential properties, and which can usually be separated by analysis; -- applied especially to drugs, plant extracts, etc. (Chem.)

   Cathartine is the bitter, purgative principle of senna.

imp. & p. p. Principled; p. pr. & vb. n. Principling

1. 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.

   Let an enthusiast be principled that he or his teacher is inspired.