行使こうし Common Noun Irregular Transitive English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru transitive verb use;exercise (of one's right, authority, power, etc.) ニクソンはウォーターゲート事件に関し、黙秘権を行使して無視しようとしたが、結局明るみにでた。 Nixon tried to stonewall through Watergate by ignoring it, but it didn't work.