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

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 seasoning

The quality or state of being seasonable.

plural of seasonality

Variation with the seasons

The act or process of seasonalizing.

The state or quality of being seasonable.