Modifiers matching season:

• agricultural,
• busy,
• liturgical,
• quiet,
• longer,
• cold,
• special,
• traditional,
• major,
• climatic,
• important,
• joyous,
• festive,
• off,
• christian,
• behavioral,
• cool,
• outdoor,
• defined,
• intense,
• current,
• dry,
• wet,
• joyful,
• critical,
• upcoming,
• weather,
• favorite,
• breeding,

Simple categories matching longer:

• period,
• interval,
• time,
• line,
• instrument,
• term,
• duration,
• unit,
• season,