Experienced, especially in terms of a profession or a hobby / Of a food, often a liquid: containing seasonings

Anything that is seasonal, such as a financial trend, a product for sale, or an employee.

Occurring every season. / Occurring only in season.

Opportune; occurring at an appropriate or suitable time. / Appropriate to the current season of the year. / (obsolete) Ephemeral; lasting for just one season.

In due season; at an opportune or fitting time. / Varying with the season. / In a manner appropriate to the season.

plural of seasonal

plural of seasoning

In the time for eating, using, etc. / In heat

happening or used in a particular season

one of the four parts of the year determined mainly by the weather during that time