Modifiers matching happening:

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

Simple categories matching unforeseen:

• development,
• disaster,
• event,
• crisis,
• circumstances,
• case,
• calamity,
• expenditure,
• occurrence,
• situation,
• work,
• weather,
• charge,
• hazard,
• incident,
• shock,
• thing,
• misfortune,
• consequence,
• adversity,
• force,
• problem,
• condition,
• trouble,
• expense,
• emergency,
• setback,
• contingency,
• eventuality,
• disturbance,
• cataclysm,
• accident,
• difficulty,
• circumstance,
• catastrophe,
• happening,