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.

plural of openness

(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.

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.

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.

Capable of being opened.

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

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.