noun
goodness; merit; virtue; good quality
The nominalized form of 良い, referring to the abstract quality of being good, valuable, or desirable. Used in a wide range of contexts from personal traits to product quality.
See also: 良い
この計画の良さは、誰でも参加できるところだ。
The merit of this plan is that anyone can participate.
彼の人間としての良さがにじみ出ている。
His goodness as a person shines through.
Nominalized form of the adjective 良い (good) by adding the suffix さ, which turns adjectives into abstract nouns.