n. 1
Appearance, especially the features and expression of the face.
n. 2
Favour; support; encouragement.
v. 1
To tolerate, support, sanction, patronise or approve of something.
I won't countenance other than compunctious semblances for such a grievous blunder.

Forms

Plural: countenances → visages, physiognomies, smilers, mugs…
Past participle: countenanced
e.g. countenanced → sanctioned, tolerated, approved, supported…

Example sentences

visage The monster's ugly visage horrified the campers.
physiognomy The physiognomy of the landscape on the tropical coast is gorgeous.
approbation She liked him too little to care for his approbation.
expression I inferred from her expression that she was angry.

Use in printed books, per decade from 1850 to 2019.

3 letters: let¹, mug¹, eek
4 letters: back¹, look¹, mine¹, dial², abet², phiz
5 letters: allow², favor²
6 letters: aspect², favour², permit², uphold², visage², kisser², smiler
7 letters: support², comfort², warrant², approve², endorse²
8 letters: approval³, advocate³, advocacy⁴, tolerate³, sanction²
9 letters: encourage³, allowance³, patronage³, authorize³, composure³, authorise, patronize³, patronise
10 letters: expression³, complexion³, imprimatur⁴
11 letters: endorsement³, approbation⁴, physiognomy
13 letters: encouragement⁴

The small number after each word is its number of syllables (dial² = 2 syllables).