Modifiers matching stimulation:

• environmental,
• sexual,
• sensory,
• sympathetic,
• external,
• mental,
• noxious,
• antigenic,
• intellectual,
• light,
• emotional,
• chronic,
• mechanical,
• outside,
• intense,
• active,
• regular,
• aversive,
• internal,
• electrical,
• auditory,
• physical,

Simple categories matching sympathetic:

• actor,
• person,
• friend,
• husband,
• heroine,
• snob,
• campaigner,
• system,
• hero,
• invalid,
• father,
• philanthropist,
• wife,
• inhibitor,
• arousal,
• humorist,
• writer,
• character,
• tone,
• overactivity,
• dominance,
• guru,
• doctor,
• stimulation,
• lover,
• scientist,
• hyperactivity,
• psychiatrist,
• feeling,
• mother,
• philosopher,
• activation,
• blocker,
• president,
• pope,
• activity,
• clerk,
• brother,
• creature,