(idiomatic) The situation in reality as opposed to in the abstract. / (literally) Some aspects of the situation in a particular location.

The determination of factual information.

Designed to determine factual information; investigative.

(law) A fact essential to make a case or a defense, or the absence of which negates a case or defense.

(modal) Actually.

The property of behaving in a matter-of-fact manner.

(US, law) An agent of the person giving him/her the power of attorney (for a specific purpose or for general purposes) to act on his or her behalf. The attorney-in-fact’s power and responsibilities depend on the specific powers granted in the power of attorney document.

(law) A person or group of people given the responsibility of determining the facts of a case from evidence presented in a legal proceeding.

(adverbial) Actually, in fact.

(idiomatic, colloquial) Those are the facts, that's the truth, that's how it is.