To offer or dedicate something (such as flowers, food, or other offerings) to a shrine, altar, or as a sacrifice; to present or devote (one's feelings, a gift).
毎月、祖母の墓に花と線香を供える。
Every month I offer flowers and incense at my grandmother's grave.
神社に感謝の気持ちを供えるために参拝した。
I visited the shrine to offer my thanks.
部族の儀式で若者が命を供えるという伝承が残っている。
There remains a tradition that young people would sacrifice their lives in the tribe's ritual.