Modifiers matching happening:

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

Simple categories matching informal:

• event,
• activity,
• area,
• means,
• country,
• communication,
• interlude,
• meal,
• group,
• entrepreneur,
• representation,
• recreation,
• ways,
• document,
• way,
• behavior,
• knowledge,
• time,
• style,
• times,
• information,
• institution,
• market,
• setting,
• account,
• teaching,
• occupation,
• metalanguage,
• message,
• measure,
• commitment,
• employment,
• business,
• guidance,
• writing,
• material,
• association,
• meeting,
• description,
• dinner,
• system,
• procedure,
• shelter,
• dyad,
• trade,
• celebration,
• program,
• interaction,
• sector,
• job,
• option,
• location,
• review,
• quality,
• education,
• product,
• literature,
• interpreter,
• work,
• school,
• sport,
• support,
• training,
• action,
• house,
• clothing,
• play,
• report,
• establishment,
• process,
• occasion,
• attempt,
• operator,
• sanction,
• server,
• entity,
• dress,
• resistance,
• announcement,
• use,
• observation,
• production,
• organization,
• grouping,
• structure,
• mechanism,
• service,
• tie,
• arrangement,
• alliance,
• object,
• exchange,
• happening,
• practice,
• evaluation,
• medium,
• expression,
• connection,
• place,
• forum,
• request,
• category,
• leadership,
• leaders,
• worker,
• trader,
• facility,
• agency,
• provider,
• game,
• conduct,
• room,
• experience,
• situation,
• organisation,
• effort,
• essay,
• industry,
• form,
• publication,
• attire,
• credit,
• response,
• clothes,
• function,
• network,
• instruction,
• gathering,
• topic,
• assistance,
• care,
• examination,
• settlement,
• thing,
• role,
• ceremony,
• subject,
• source,
• level,
• control,
• club,
• building,
• construction,
• relationship,
• rule,
• language,
• statement,
• content,
• attribute,
• disposition,
• text,
• fabric,
• domain,
• testing,
• consultation,
• space,
• politics,
• assessment,
• correspondence,
• papers,