truthfulness; credibility; ring of truth
Refers to the quality of seeming true or believable, often used when something feels authentic or convincing.
His story had a ring of truth.
That rumor lacks credibility.
sincerity; honesty; good faith
Used for a person's genuine, honest character or faithful intentions. Less common than sense 1; often overlaps with 誠実さ.
I was moved by his sincere attitude.