Modifiers matching stimulus:

• constant,
• environmental,
• stressful,
• artificial,
• external,
• internal,
• sensory,
• ambient,
• psychic,
• noxious,
• extraneous,
• inflammatory,
• special,
• pathological,
• chemical,
• electrical,
• diverse,
• pathologic,
• negative,
• nonspecific,
• noninfectious,
• mental,
• multiple,
• organizational,
• neutral,
• physiological,
• mechanical,
• light,
• physiologic,
• rewarding,
• auditory,
• pictorial,
• visual,
• emotional,
• innocuous,
• physical,
• major,
• prolonged,
• standard,
• maternal,
• natural,
• distressing,
• detrimental,
• extracellular,
• cellular,
• biological,
• supplemental,
• individual,
• temporal,
• distinct,
• positive,
• complex,
• real,
• stimulating,
• subjective,
• unpleasant,
• harmful,
• strong,
• subtle,
• simple,
• familiar,
• chronic,
• adverse,
• identifiable,
• damaging,
• intense,
• old,
• social,
• local,
• rhythmic,
• outside,
• painful,
• aversive,
• monotonous,
• exogenous,
• cytotoxic,
• instructional,
• abnormal,
• transient,
• peripheral,

Simple categories matching environmental:

• condition,
• health,
• surface,
• limitation,
• economist,
• hazard,
• performance,
• contaminant,
• compound,
• design,
• catalysis,
• control,
• sampling,
• event,
• expert,
• chemistry,
• calamity,
• tolerance,
• damage,
• issue,
• industry,
• change,
• muffler,
• catastrophe,
• technique,
• matrix,
• theme,
• illness,
• model,
• object,
• activity,
• testing,
• microorganism,
• challenge,
• belief,
• assay,
• fixture,
• stimulus,
• metal,
• difference,
• thing,
• space,
• obstruction,
• company,
• professional,
• toxicology,
• technology,
• conservation,
• scientist,
• hydraulics,
• dimension,
• agent,
• specialty,
• gradient,
• organization,
• barrier,
• program,
• initiative,
• goal,
• review,
• status,
• communication,
• substrate,
• resource,
• parameter,
• work,
• constraint,
• cost,
• harm,
• form,
• mixture,
• perturbation,
• fluid,
• scene,
• impurity,
• poison,
• solid,
• gas,
• requirement,
• sustainability,
• investigation,
• cleaning,
• predator,
• bacteria,
• user,
• incident,
• institution,
• knowledge,
• fomite,
• organisation,
• arrangement,
• deed,
• attribute,
• text,
• trait,
• politics,
• assets,
• meeting,
• characteristic,
• painting,
• simulation,
• allergen,
• mineral,
• tension,
• heritage,
• odor,
• medium,
• streptococcus,
• scan,
• selection,
• treasure,
• game,
• security,
• disturbance,
• fabric,
• ligand,
• adaptation,
• regulation,
• obstacle,
• commitment,
• expense,
• tragedy,
• machinery,
• protection,
• substance,
• water,
• footprint,
• grouping,
• improvement,
• topic,
• sensitivity,
• sensor,
• education,
• recovery,
• item,
• tax,
• document,
• disease,
• dynamics,
• pollutant,
• contact,
• light,
• process,
• piece,
• product,
• elements,
• antigen,
• body,
• touch,
• zone,
• consultant,
• debris,
• point,
• coating,
• tissue,
• report,
• factor,
• use,
• thought,
• enhancement,
• cd,
• analysis,
• rehabilitation,
• experience,
• torque,
• preservation,
• information,
• cause,
• unit,
• print,
• marker,
• shift,
• benefit,
• designer,
• service,
• pickup,
• works,
• pressure,
• degradation,
• output,
• signal,
• sensation,
• agency,
• cue,
• area,
• exposure,
• discipline,
• danger,
• law,
• interference,
• values,
• structure,
• situation,
• injury,
• trauma,
• fee,
• tool,
• employment,
• difficulty,
• scheme,
• duty,
• advisor,
• discomfort,
• fluctuation,
• clue,
• specialist,
• resistance,
• circumstances,
• location,
• phenomenon,
• pest,
• division,
• receptor,
• equipment,
• malady,
• waste,
• niche,
• fuel,
• engineering,
• biotechnology,
• toxicant,
• modification,
• whole,
• repair,
• toxin,
• stone,
• data,
• material,
• odour,
• contamination,
• microbe,
• region,
• attack,
• subject,
• effort,
• task,
• statute,
• property,
• power,
• movement,
• fact,
• carcinogen,
• hepatotoxin,
• policy,
• influence,
• disaster,
• catalyst,
• weather,
• aggression,
• source,
• project,
• therapy,
• effect,
• stress,
• care,
• measure,
• action,
• concentration,
• audio,
• organism,
• liquid,
• alteration,
• detector,
• indicator,
• consideration,
• aspect,
• trouble,
• insult,
• state,
• quality,
• field,
• input,
• sound,
• commodity,
• standard,
• science,
• conflict,
• group,
• directive,
• facility,
• message,
• efficiency,
• infrastructure,
• management,
• occurrence,
• chemical,
• component,
• reservoir,
• ngo,
• development,
• level,
• profession,
• installation,
• stimulation,
• entity,
• sample,
• problem,
• variation,
• device,
• time,
• practice,
• idea,
• force,
• test,
• behavior,
• stewardship,
• plan,
• feature,
• educator,
• noise,
• failure,
• utility,
• constituent,
• agreement,
• job,
• business,
• support,
• system,
• layer,
• study,
• interaction,
• instrument,
• pollution,
• impact,
• variable,
• flow,
• threat,
• disorder,
• matter,
• stressor,
• stuff,
• consequence,
• pathogen,
• asset,
• measurement,