levelheaded
UK[ˌlev.əlˈhed.ɪd]US[ˌlev.əlˈhed.ɪd]
adj
Having a sensible and calm character; able to make good judgments and not be easily upset.
Morpheme Breakdown
level
headed
level
even, steady
headed
having a mind/character
Etymology
The word 'levelheaded' is a relatively modern English compound, first appearing in the mid-19th century. It is formed from the adjective 'level,' meaning "even, balanced, steady," and 'headed,' a combining form meaning "having a mind or character of a specified kind." The logic is beautifully literal: a person whose "head" or mind is "level"—not tilted by emotion, not unbalanced by excitement—is calm, sensible, and judicious. This metaphorical extension of 'level' from the physical realm (a flat surface) to the psychological realm (a balanced temperament) exemplifies a common pattern in English for describing mental composure, similar to 'even-tempered.'
Analysis
Structure: level (even, steady) + headed (having a mind/character)
- level: From Old English læfel (a tool for measuring horizontality), later meaning "even, flat, balanced." In this compound, it functions as an adjective meaning "steady, balanced."
- headed: From Old English -hēafod (head), used in compounds to denote the state or quality of one's mind or character. It functions as an adjectival suffix meaning "having a (specified kind of) mind."
Examples
She remained levelheaded during the crisis, calmly giving instructions to her team.
We need a levelheaded leader who won't make impulsive decisions.
His levelheaded advice prevented a major financial mistake.