noun, feminine/sɛ.zɔ̃/plural: saisons
saison is feminine in French.
season (one of the four parts of the year in temperate regions: winter, spring, summer and autumn); season (a certain time of the year, when something in particular happens); season (the time of the year when teams compete)
“La saison de ski” — The skiing season
Inherited from Old French saison, seson, seison, inherited from Latin satiō, satiōnem (“act of sowing, planting”).