1. (noun) the faculty through which the external world is apprehended

• sensation
• sense
• sensory faculty
• sentience

1. (noun) the faculty through which the external world is apprehended

• faculty
• mental faculty
• module

1. (noun) the faculty through which the external world is apprehended

• modality
• sense modality
• sensory system
• sensibility
• sensitiveness
• sensitivity

1. (noun) the faculty through which the external world is apprehended

• feel
• feel
• sense
• sense
• sense
• sensibilise
• sensibilize
• sensify
• sensitise
• sensitize
• sensorial
• sensory
• sensuous
• sentient
• sentient