Modifiers matching stimulus:

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

Simple categories matching physiological:

• condition,
• process,
• cue,
• manifestation,
• pressure,
• steroid,
• state,
• point,
• trait,
• inducer,
• characteristic,
• purpose,
• trauma,
• buffer,
• necessity,
• measure,
• effect,
• change,
• event,
• measurement,
• abnormality,
• transition,
• reaction,
• activator,
• drive,
• activity,
• variable,
• solute,
• marker,
• pattern,
• information,
• fluid,
• phenomenon,
• sense,
• arousal,
• dimension,
• topic,
• consequence,
• reflex,
• preparation,
• property,
• status,
• indicator,
• artifact,
• carrier,
• complication,
• impairment,
• matter,
• attribute,
• fluctuation,
• quality,
• system,
• space,
• control,
• compound,
• secretion,
• entity,
• concomitant,
• requirement,
• motion,
• benefit,
• constant,
• rhythm,
• structure,
• perturbation,
• matrix,
• fuel,
• diagnosis,
• substance,
• chemical,
• level,
• illness,
• makeup,
• stage,
• intervention,
• agent,
• response,
• limit,
• shift,
• tremor,
• disorder,
• anticoagulant,
• vessel,
• sound,
• action,
• interference,
• variation,
• symptom,
• constituent,
• feature,
• amine,
• injury,
• development,
• tissue,
• difference,
• stress,
• location,
• sensor,
• signal,
• material,
• data,
• protein,
• capacity,
• disease,
• component,
• innovation,
• substrate,
• situation,
• signature,
• disturbance,
• organ,
• area,
• mechanism,
• ligand,
• discomfort,
• adaptation,
• factor,
• function,
• behavior,
• barrier,
• episode,
• tension,
• cause,
• perception,
• procedure,
• issue,
• modification,
• movement,
• task,
• failure,
• molecule,
• sample,
• irregularity,
• problem,
• complaint,
• stimulus,
• alteration,
• organs,
• malady,
• work,
• parameter,
• dependence,
• damage,
• character,
• limitation,
• criterion,
• dimer,
• quantity,
• stressor,
• study,
• hazard,
• sign,