puzzlement

"All he had to show for four years of attendance at college was a framed piece of paper."

"The movie was entertaining from start to finish."

"The being in the classroom was quiet today. "

"The sudden announcement of a school holiday caused bewilderment among the students. "

"Where he went after he left the house is a puzzle."

"I'm unsure about the best way to prepare for the upcoming history test. "

"The leaky faucet in the kitchen is a problem that needs fixing. "

"He is a student of life."

"The complicated instructions for the new software program confused many of the employees. "

"a room ten feet square in the clear"

"The current state of the project is that we are behind schedule. "

"The strange email puzzled me, as I didn't recognize the sender. "