Open English Wordnet
Nouns
(n)countenance, visagethe appearance conveyed by a person's face“a pleasant countenance”, “a stern visage”
(n)sanction, countenance, endorsement, indorsement, warrant, imprimaturformal and explicit approval“a Democrat usually gets the union's endorsement”
(n)countenance, physiognomy, phiz, visage, kisser, smiler, mugthe human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
Verbs
(v)permit, allow, let, countenanceconsent to, give permission; permit“She permitted her son to visit her estranged husband”, “I won't let the police search her basement”, “I cannot allow you to see your exam”