Modifiers matching happening:

• natural,
• planned,
• local,
• rural,
• social,
• nasty,
• major,
• underwater,
• unusual,
• astronomical,
• significant,
• disastrous,
• schoolwide,
• common,
• celestial,
• public,
• untoward,
• congregational,
• corporate,
• climatic,
• unfortunate,
• unexpected,
• extraordinary,
• unpleasant,
• strange,
• paranormal,
• smaller,
• national,
• sporting,
• exciting,
• cultural,
• familiar,
• unforeseen,
• pleasant,
• technological,
• surrounding,
• interesting,
• evil,
• global,
• ordinary,
• contemporary,
• important,
• serious,
• historical,
• distant,
• organized,
• everyday,
• past,
• informal,
• covered,
• dramatic,
• special,
• abnormal,
• internal,
• current,
• outlandish,
• exceptional,
• cool,
• horrible,
• unwanted,
• firm,
• terrible,
• traumatic,
• seasonal,
• mental,

Simple categories matching planned:

• activity,
• celebration,
• forum,
• move,
• event,
• building,
• practice,
• effort,
• promotion,
• work,
• encounter,
• intervention,
• meal,
• action,
• departure,
• meeting,
• maintenance,
• interaction,
• development,
• transition,
• figure,
• procedure,
• conversation,
• care,
• measure,
• task,
• works,
• happening,
• change,
• absence,
• project,
• testing,
• item,
• operation,
• surgery,
• crowd,
• therapy,
• experience,
• outing,
• product,
• occurrence,
• expense,
• operations,
• process,
• communication,
• area,
• exit,
• instruction,
• thing,
• text,
• use,
• facility,
• overtime,
• object,
• unit,
• expenditure,
• structure,
• treatment,