Synonym of TACITURNITY

Answer: Option A

Reserve : a lack of warmth or openness in manner or expression.
Hesitation : the action of pausing before saying or doing something.
Changeableness : the quality of being changeable.
Dumbness : temporarily unable or unwilling to speak.
Taciturnity : the trait of being uncommunicative; not volunteering anything more than necessary.

Synonym of Taciturnity is Reserve