Simple categories matching solemn:

• ceremony,
• event,
• meeting,
• celebration,
• occasion,
• music,
• activity,
• place,
• gathering,
• situation,
• rite,

Members with property solemn:

• church_council,
• wedding,
• consistory,
• funeral,
• governor_reception,
• wake,
• award_function,
• obituary_reference,
• mass,
• betrothal,
• death,
• dedication,
• pet,
• synod,
• grave_visitation,
• motet,
• church,
• commencement,
• execution,
• study,
• investiture,
• baptism,
• hut_dedication,
• fasting,
• school,
• coronation,
• marriage,
• presidential_funeral,
• marriage_celebration,
• memorial_service,