Origin of tentative
Examples from the Web for tentativeness
In Libya, the crisis of American tentativeness has grown worse almost by the day.
But in Libya the crisis of American tentativeness has grown worse almost by the day.
Lute's eyes were quizzical as she asked with a tentativeness that was palpably assumed, "With—a—with Mr. Barton?"Moon-Face and Other Stories|Jack London
The fact that he remained standing imparted a tentativeness to the situation.The Shadow|Arthur Stringer