noun
gravitas
GRAV-ih-tahs/ˈɡrævɪtɑːs/
Seriousness and dignity that command respect.
Her calm voice gives her words gravitas during tense meetings.

Etymology
Latin gravitas applied physical weight figuratively to a person's dignity and influence. English preserves that image of personal weight: seriousness and presence that make someone seem substantial and worthy of respect.
In context
Helen minin has the the gravitas to give you historical statements and there are so many times in that movie where you know the The Voice were so serious
More examples
- The actor brings gravitas to the role of a respected judge.
- His constant joking undermines the gravitas expected of a leader.
- She speaks with both warmth and gravitas.