Modifiers matching season:

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

Simple categories matching joyous:

• ritual,
• doings,
• celebration,
• occasion,
• event,
• holiday,
• ceremony,
• times,
• season,