rectitude
https://gyazo.com/8a07cab14c6caa1fd720d498c525ee3b
noun formal
morally correct behavior or thinking; righteousness:
誠実さ, 正直さ, 実直さ, 清廉さ; 正確さ
e.g. Maddie is a model of rectitude.
ORIGIN
late Middle English (denoting straightness): from Old French, from late Latin rectitudo, from Latin rectus ‘right, straight’.