応
オウ, ヨウ, ノウ, あた.る, まさに, こた.える, お, たか, まさ

apply, answer, yes, OK, reply, accept

JLPT1 G5 S7 F266

As per the top element# of 鷹 (trained bird of prey) + 心 heart/emotions → *accede* (as a trained bird accedes to commands) → *agree (to)* → *respond*; *reply*; *react*; *be fitting*; *be suited*. Also, *reward* and *return*.

[Full Kanji Etymology List]