polite refusal

Translations
вежливый отказ
He gave a polite refusal to the invitation.
Он вежливо отказался от приглашения.
Definitions
A polite refusal is a courteous way of declining an offer, request, or invitation without causing offense or discomfort to the other party.
Words
polite

adjective
вежливый
refusal

noun
отказ