This is the 8167th most frequent Japanese word.
履行
Performance or fulfillment (of a duty, obligation, or contract).
Here, '履行' denotes performing or carrying out responsibilities or duties that one is committed to.
義務を履行するのは重要なことだ。
Fulfilling one's obligations is important.
In this context, '履行' means fulfilling a promise or commitment made by an individual.
彼は約束を履行することができた。
He was able to fulfill his promise.
In this sentence, '履行' refers to the act of fulfilling or carrying out the terms specified in a contract.