ascertain

"He is a student of life."

"My friend told me there was something in the box, but I didn't know what it was yet. "

"As soon as we ascertain what the situation is, we can plan how to proceed."

"Do you need a gift for that special someone?"

"To proceed on a journey."

"The new teacher worked hard to establish a routine in her classroom. "

"The United States is in an awkward situation with debt default looming."

"The certain success of the project was a relief to the team. "

"My teacher said the test is definitely going to be difficult. "

"The teacher patiently explained the math problem, and the students were able to understand the steps involved. "

"My closest confident, my sister, always listens patiently and gives good advice. "

"Turning the corner, I discovered a lovely little shop. I discovered that they sold widgets."