OCCA'SIONAL, adjective s as z. 1. Incidental; casual; occurring at times, but not regular or systematic; made or happening as opportunity requires or admits. We make occasional remarks on the events of the age. 2. Produced by accident; as the occasional origin of a thing. 3. Produced or made on some special event; as an occasional discourse.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI