Simple categories matching celebratory:

• event,
• function,
• activity,
• accessory,
• occasion,
• occasions,
• meal,
• time,
• practice,
• gathering,
• ritual,
• cake,
• times,
• work,

Members with property celebratory:

• wedding,
• christmas_party,
• gardening,
• festival,
• military_parade,
• holiday_celebration,
• cultural_folklore,
• royal_wedding,
• birth,
• shower,
• graduation,
• multicultural_festival,
• parade,
• engagement_party,
• athletic_victory,
• golden_wedding,
• ritual,
• pride_festival,
• christening,
• plenary_sessions,
• special_assembly,
• holiday_party,
• party,
• inaugural,
• party_hat,
• ribbon_cutting,
• funeral,
• public_festival,
• community_festival,
• fall_festival,
• local_festival,
• carnival,
• tailgate_party,
• betrothal,
• activity,
• coronation,
• street_theatre,
• picnic,
• carnival_parade,
• super_bowl,
• protest_rally,
• marriage,
• anniversary_cake,
• religious_rite,
• disability_action,
• citywide_picnic,
• entrance,
• dancing,
• vacation,
• music,
• lion_dance,
• baby_shower,
• award_ceremony,
• family_reunion,
• special,
• groundbreaking,
• temple_dedication,
• military_ball,
• canada_game,
• maidenhead_carnival,
• holiday_activity,
• reunion,
• dedication,
• performance,
• rehearsal_dinner,
• employment,
• family_occasions,
• baptism,
• graduation_ceremony,
• anniversary_party,
• face_painting,
• presentation,
• engagement,
• birthday,