Capable of being opened.

Able to be accessed. / Able to have something pass through or along it. / (of a body part) not covered, showing what is inside / Not physically drawn together, closed, folded or contracted; extended.

(transitive) To make something accessible or allow for passage by moving from a shut position.

(with the) Open or unobstructed space; an exposed location. / (with the) Public knowledge or scrutiny; full view. / (electronics) A defect in an electrical circuit preventing current from flowing.

simple past tense and past participle of open

Outdoors. / Easily visible; out of shelter or concealment. / Known to various people.

The quality of being openable.

present participle of open

An act or instance of making or becoming open. / A gap permitting passage through. / An act or instance of beginning. / The first performance of a show or play by a particular troupe.

Pertaining to the start or beginning of a series of events.