The Japanese noun '貢献 (こうけん)' means 'contribution'. It refers to the act of contributing to something, such as a cause, project, or society. This word is often used in contexts where someone or something has made a significant positive impact or provided valuable input. For example: His research made a great contribution to science「彼の研究は科学に大きな貢献をした」(かれのけんきゅうはかがくにおおきなこうけんをした). We aim to contribute to the community「私たちは地域に貢献することを目指しています」(わたしたちはちいきにこうけんすることをめざしています). The word can also be used in a broader sense to describe any form of support or assistance that leads to progress or improvement.