You will act upon this as you think proper, and proceed with the 2d.
It was not thought proper to marry outside of one's class.
Upon this subject the lieutenant thought proper to take the opinion of his officers.
They who think proper may believe it to be friendship.
Make what use of the tale you shall think proper.
The way he'd lived his life, doing everything in the manner he thought proper, whether it made sense or not.
Economically they favor a more open society than the Conservatives think proper or smart.
"Do not press me further than I think proper."
"And can you tell me why he thought proper to accept it?"
Wouldn't have been thought proper at all in my young days!