confirmed

Confirmed is the past participle and adjective form of the verb confirm. As an adjective, it describes something that has been proven true, verified, or decided by authority. The word comes from Latin confirmare, meaning to make firm, and entered English via Middle French and Early Modern English.

In everyday use, "confirmed" appears in phrases such as confirmed case, confirmed email address, confirmed reservation, or confirmed report. It marks information or outcomes that have undergone verification, as opposed to provisional or unverified.

In science and medicine, a confirmed result or diagnosis is supported by adequate evidence or tests and has withstood scrutiny. In astronomy, a "confirmed planet" is a celestial body whose planetary status has been established by independent observations or analysis, as opposed to a "planet candidate."

In administration and law, a decision, appointment, or policy can be confirmed by a governing body. In computing and communications, a confirmation may refer to a response that verifies receipt or authorization. The term is often paired with "unconfirmed" to indicate pending verification or lack of conclusive validation.