Meanings:
Settle (debt, Etc.), Relieve (burden), Finish, Come To An End, Excusable, Need Not
WaniKani: Come To An End (Level 21)
Readings On:
さい, せい
Readings Kun:
す.む, -ず.み, -ずみ, す.まない, す.ます, -す.ます, すく.う, な.す, わたし, わた.る