There was a popular supposition that we all knew each other.
"My Lady of the Chimney Corner"
Alexander Irvine
The boy reasoned that if he were in their place he would do just this, and for that reason he assumed that his supposition was very probable.
"In Desert and Wilderness"
Henryk Sienkiewicz
Our first effort was based on the supposition of their remaining asleep.
"My Attainment of the Pole"
Frederick A. Cook