occasion

tillfälle, skäl, tillfällighet, händelse, behov, förorsaka

1. A favorable opportunity; a convenient or timely chance. [from 14th c.]

2. An occurrence or state of affairs which causes some event or reaction; a motive or reason. [from 14th c.]

3. A particular happening; an instance or time when something occurred. [from 15th c.]

4. A need; requirement, necessity. [from 16th c.]

5. (transitive) To cause; to produce; to induce