1. (noun) mental responsiveness and awareness

• aesthesia
• esthesia

2. (noun) (physiology) responsiveness to external stimuli; the faculty of sensation

• sensitiveness
• sensitivity

1. (noun) refined sensitivity to pleasurable or painful impressions

• insight
• perceptiveness
• perceptivity
• sensuousness

2. (noun) (physiology) responsiveness to external stimuli; the faculty of sensation

• acuteness
• exteroception
• hypersensitivity
• interoception
• photosensitivity
• radiosensitivity
• reactivity
• responsiveness

1. (noun) mental responsiveness and awareness

• consciousness

2. (noun) refined sensitivity to pleasurable or painful impressions

• sensitiveness
• sensitivity

3. (noun) (physiology) responsiveness to external stimuli; the faculty of sensation

• sensation
• sense
• sensory faculty
• sentience
• sentiency

1. (noun) (physiology) responsiveness to external stimuli; the faculty of sensation

• physiology

1. (noun) mental responsiveness and awareness

• insensibility

1. (noun) mental responsiveness and awareness

• sensible
• sensitive

2. (noun) (physiology) responsiveness to external stimuli; the faculty of sensation

• raw
• sensitive
• sore
• tender
• sensible
• sensible
• sensible
• sensitive
• sensitive
• sensitive