sedation
UK[sɪˈdeɪʃn]US[sɪˈdeɪʃn]
n
The process of making someone calm or unconscious, especially by giving them drugs, before a medical operation.
n
A calm or sleepy state caused by a drug.
Morpheme Breakdown
sed
ation
sed
calm
ation
noun suffix
Etymology
The word 'sedation' originates from the Latin verb 'sedare', meaning 'to settle, calm, or allay'. This verb itself is a frequentative form of 'sedere', meaning 'to sit', suggesting the act of causing something to sit down and become still. The core semantic link from 'sitting' to 'calming' is evident in the derived sense of pacifying agitation. Through French and scholarly Latin, the noun 'sedation' entered English in the mid-16th century, specifically denoting the process of calming, a meaning that crystallized in the medical context of using calming agents.
Analysis
Structure: sed (calm) + ation (noun suffix)
sed (Latin origin, meaning 'to sit, settle, calm'; functional role: root conveying the core meaning of calming). ation (Latin suffix '-atio(n-)', forming nouns of action or state; functional role: suffix indicating the process or result of the action).
Examples
The patient was under sedation during the entire dental procedure.
The medication provides mild sedation and relieves anxiety.
They administered a sedative to achieve a state of deep sedation.