Emphasizes your confidence in someone's abilities or character, often based on experience.

Trust Aspect

Used when offering your personal guarantee on something, showing personal accountability.

Personal Assurance

While it shows strong belief, 'vouch for' is not a legal guarantee or proof.

Used when you have direct experience or knowledge of the situation.

It lends weight to a claim, helping persuade others to believe it.

Highlights your assertion that something is true, based on facts or observations.