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

The dog is so aggressive that he cannot be boarded and needs heavy sedation for normal vet visits. —Carolyn Hax, Washington Post, 24 Apr. 2026

The result is a quieter, less reactive brain without any sedation. —Allison Palmer, Charlotte Observer, 23 Apr. 2026

Even after sedation, the wolf wasn’t slowing down easily. —Hanna Wickes, Miami Herald, 17 Apr. 2026

The initial effects of the drug include deep sedation or decreased consciousness, bradycardia (slow heart rate), hypotension (low blood pressure) and respiratory depression, especially when combined with fentanyl and other opioids. —Melissa Rudy, FOXNews.com, 2 Apr. 2026

Word History

First Known Use

1543, in the meaning defined at sense 1

Rhymes for sedation

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

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