Occasion

A falling out, happening, or coming to pass; hence, that which falls out or happens; occurrence; incident.

A favorable opportunity; a convenient or timely chance; convenience.

An occurrence or condition of affairs which brings with it some unlooked-for event; that which incidentally brings to pass an event, without being its efficient cause or sufficient reason; accidental or incidental cause.

Need; exigency; requirement; necessity; as, I have no occasion for firearms.

A reason or excuse; a motive; a persuasion.

To give occasion to; to cause; to produce; to induce; as, to occasion anxiety.