Modifiers matching review:

• technical,
• systematic,
• specialized,
• regulatory,
• formal,
• informal,
• extra,
• periodic,
• collateral,
• major,
• academic,
• external,
• internal,
• british,
• official,
• regular,
• environmental,
• expert,

Simple categories matching official:

• reception,
• event,
• body,
• location,
• text,
• ceremony,
• operation,
• communications,
• organisation,
• transcript,
• matter,
• unit,
• gathering,
• site,
• language,
• ritual,
• outfit,
• record,
• misconduct,
• emblem,
• item,
• party,
• economy,
• act,
• exam,
• space,
• action,
• designation,
• measure,
• publication,
• visit,
• effort,
• price,
• meeting,
• installation,
• institution,
• certification,
• pursuit,
• authorities,
• manual,
• outlet,
• service,
• genre,
• status,
• instrument,
• procedure,
• facility,
• promulgation,
• power,
• letters,
• structure,
• presentation,
• file,
• system,
• plan,
• charge,
• production,
• review,
• nature,
• function,
• restriction,
• documentation,
• commemoration,
• information,
• forum,
• agency,
• position,
• form,
• place,
• correspondence,
• page,
• staff,
• source,
• proclamation,
• report,
• expense,
• creditor,
• note,
• website,
• check,
• holiday,
• ceremonial,
• entity,
• document,
• submission,
• arena,
• assistance,
• announcement,
• duty,
• opinion,
• process,
• id,
• search,
• audience,
• clothing,
• investigation,
• statistics,
• activity,
• agreement,
• circle,
• organization,
• control,
• attestation,
• identification,
• set,
• thing,
• work,
• papers,
• material,
• committee,
• message,
• judgment,
• works,
• procession,
• business,
• guidance,
• establishment,
• narrative,
• statement,
• theatre,
• use,
• celebration,
• communication,
• equipment,
• fee,
• paperwork,
• notice,
• certificate,
• sign,
• demand,
• occasion,
• building,
• group,
• post,
• race,
• output,
• authority,
• codification,
• proceeding,