1. (noun) that which is responsible for one's thoughts and feelings; the seat of the faculty of reason

• brain
• head
• mind
• psyche

1. (noun) common sense

• common sense
• good sense
• gumption
• horse sense
• mother wit
• sense

2. (noun) that which is responsible for one's thoughts and feelings; the seat of the faculty of reason

• cognition
• knowledge
• noesis

1. (noun) that which is responsible for one's thoughts and feelings; the seat of the faculty of reason

• ego
• noddle
• subconscious
• subconscious mind
• tabula rasa
• unconscious
• unconscious mind

1. (noun) that which is responsible for one's thoughts and feelings; the seat of the faculty of reason

• bear in mind
• mind
• psychic
• psychic
• psychical
• psychical