Synonyms of levelheadedness

1 Syllable
cool, wits
2 Syllables
coolness, aplomb, sangfroid, quickness, calmness, soundness
3 Syllables
sobriety, alertness, sanity, self-command, acumen, watchfulness, saneness
4 Syllables
composure, capableness, sagacity, self-possession
5 Syllables
self-assurance, sensibility, self-composure, dependableness
7 Syllables
imperturbability, inexcitability