Sedation (noun)

1. The state of being calm, soothed or relaxed.
2. The use of medication to reduce anxiety or pain during a medical procedure.

Origin:

From the latin sedare "to calm, to soothe".

Examples:

1. The patient received sedation before undergoing the procedure.
2. The patient was given sedation to help them relax.
3. The patient's sedation was carefully monitored during the procedure.
4. The patient's sedation was light, so they were able to talk with the doctor during the procedure.
5. The patient's sedation was deep, so they were unable to remember the procedure.