1. Noun

   1.

   opportunity; chance

2. 2.

   trigger; cause

Example sentences

• 退職を契機に茶道を始めた。

  I took the opportunity of retirement to begin studying the tea ceremony.

• 株価上昇を契機に新工場建設の話が持ち上がった。

  They took advantage of the stock price increase to raise the idea of building a new factory.