countenance

Short definition from Wiktionary

Noun

1. 1
   Appearance, especially the features and expression of the face.
2. 2
   Favour; support; encouragement.
3. 3
   Superficial appearance; show; pretense.
4. 4
   Calm facial expression, composure, self-control.

Verb

1. 1
   To tolerate, support, sanction, patronise or approve of something.