Stolidity
/stəˈlɪdəti/
Definition 1 of 1
Pro Tip 1/3Emotional Imperturbability
Stolidity refers to an unshakeable calmness, even during situations that typically evoke strong emotions. 
Her stolidity in the face of chaos was remarkable.
Pro Tip 2/3Negative Connotation
Can imply a lack of sensitivity or awareness, although it simply denotes absence of visible emotions. 
Critics mistook his stolidity for indifference to the audience's reaction.
Pro Tip 3/3Cultural Perceptions
In some cultures, stolidity is admired as a sign of strength, while others may view it as coldness. 
The diplomat's stolidity was seen as an asset in the negotiations.