To engrave, inscribe, or stamp something (literally); also used figuratively to mean to bear something firmly in one's mind.
記念碑の台座に建設の年月と関係者の名前を銘じた。
They inscribed the date of construction and the names of those involved on the monument's base.
祖父の言葉を胸に銘じて、これからも努力を続けます。
I will keep my grandfather's words in my heart and continue to work hard.
作品には作者のサインが小さく銘じられていた。
The work bore the artist's signature, inscribed small.