noun
looks; facial appearance; features
Primarily used for a woman's facial beauty or attractiveness. Can be used neutrally to describe features.
彼女は器量がいい。
She is good-looking.
器量の良い娘さんですね。
Your daughter has lovely features.
noun
Only when written 器量
Refers to a person's innate ability, caliber, or talent. Often used in contexts evaluating someone's capacity.
彼は指導者としての器量がある。
He has the caliber to be a leader.
その仕事は彼の器量を超えている。
That job is beyond his capability.
noun
public estimation; dignity; honor
Only when written 器量
Used especially for a man's public standing, credit, or dignity. Slightly formal or literary.
彼はその失敗で器量を落とした。
He lost face because of that failure.
器量を保つために最善を尽くした。
He did his best to maintain his dignity.
Originally from Chinese 器量 (qìliàng), meaning 'capacity' or 'tolerance'. In Japanese, the meaning extended to include 'facial features' and 'public estimation'.