- Something which causes something else; a cause. [from 14th c.]
- Need; requirement, necessity.
"I have no occasion for firearms."
- An occurrence or state of affairs which causes some event or reaction; a motive or reason. [from 14th c.]
"I had no occasion to feel offended, however."
- A particular happening; an instance or time when something occurred. [from 15th c.]
"I could think of two separate occasions when she had deliberately lied to me."
- A reason or excuse; a motive; a persuasion.
- The time when something happens.
"At this point, she seized the occasion to make her own observation."
- (obsolete) An occurrence or incident. [14th-18th c.]
- A special event or function. [from 19th c.]
"Having people round for dinner was always quite an occasion at our house."
- A favorable opportunity; a convenient or timely chance. [from 14th c.]
- (transitive) To give occasion to; to cause; to produce; to induce; as, to occasion anxiety.
"it is seen that the mental changes are occasioned by a change of polarity"