You compromise with your DAD about when you can borrow the car.
The man wanted a huge aerie of vultures but the woman compromised on a small nest.
means 'appropriate' - but more relaxed than related words like 適当 (てきとう) and 正しい (ただしい). . .妥当 is more like "adequate."
|安||cheap / safe||BERET|
The WOMAN compromised. She received a CROTCH, but she keeps it under her BERET for safety.
当たり前 当然 適当 正しい 適切 妥当 もっともの 正に