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.

A person who opens something. / A device that opens something; specifically a tin-opener/can-opener, or a bottle opener. / (in combination) An establishment that opens.

Accommodating attitude or opinion, as in receptivity to new ideas, behaviors, cultures, peoples, environments, experiences, etc., different from the familiar, conventional, traditional, or one's own.

simple past tense and past participle of open

plural of open

Third-person singular simple present indicative form of open

plural of opener

plural of openness

The quality of being openable.

Capable of being opened.