sedation

noun

se·​da·​tion si-ˈdā-shən 

1

: the inducing of a relaxed easy state especially by the use of sedatives

2

: a state resulting from or as if from sedation

Examples of sedation in a Sentence

For some patients, sedation may be necessary.

Recent Examples on the Web

Cychlorphine can also cause sedation and euphoria, decreased consciousness and unresponsiveness. — Diana Anos, CNN Money, 27 Oct. 2026

Easy was under operation for around an hour with mild sedation, and the entire process took about four hours. — Greg Uyeno, IEEE Spectrum, 20 Oct. 2026

Rupert underwent multiple treatments, including procedures under standing sedation. — Celia Frazier, Denver Post, 9 Oct. 2026

As the caustic barbiturate finally started flowing into the IV lines, Pike did not fall into sedation quickly. — Keri Blakinger, ProPublica, 6 Oct. 2026

Word History

First Known Use

1543, in the meaning defined at sense 1

Rhymes for sedation

• ablation
• aeration
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation

Medical Definition

sedation

noun

se·​da·​tion si-ˈdā-shən 

1

: the inducing of a relaxed easy state especially by the use of sedatives

2

: a state resulting from sedation see conscious sedation, deep sedation