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1. Appearance, especially the expression of the face: The question left him with a puzzled countenance.
2. The face or facial features.
a. A look or expression indicative of encouragement or of moral support.
b. Support or approval.
4. Obsolete Bearing; demeanor.
tr.v. coun·te·nanced, coun·te·nanc·ing, coun·te·nanc·es
To give sanction or support to; tolerate or approve: The college administration will not countenance cheating.
[Middle English contenaunce, from Old French, from contenir, to behave; see contain.]