noun, noun or participle which takes 'suru', intransitive verb
return courtesy; return salute; return call
Formal act of responding to a greeting, salute, visit, or expression of thanks. Often used in diplomatic, military, or ceremonial settings.
大使は訪問の答礼として、相手国を訪れた。
The ambassador visited the other country as a return courtesy for their visit.
式
At the ceremony, he gave a return greeting to the guests.