If you formalize a plan, idea, arrangement, or system, you make it formal and official.
例句
A recent treaty signed by Russia, Canada and Japan formalized an agreement to work together to stop the pirates...俄罗斯、加拿大和日本最近签署的一项条约将三国共同防止盗版的协议正式确定下来。She feels the time has come to formalise her relationship with Tempelsman.她觉得是时候正式确定和坦佩尔斯曼的关系了。
英英词典释义
Noun
1. the act of making formal (as by stating formal rules governing classes of expressions)