known

"The apéritifs were particularly stimulating."

"My teacher explained the new math concept, and I understood it perfectly. "

"to bring a thing into comparison with another;  there is no comparison between them"

"While walking in the park, I encountered an old friend I hadn't seen in years. "

"My younger sister is very good at distinguishing different types of flowers. "

"It was an experience he would not soon forget."

"You need to learn to be more tolerant of difference."

"I think you should acquaint him with the realities of the situation."

"The information about the project deadline resolved my uncertainty; now I know what needs to be completed. "

"Previously, I had planned to study for the math test on Saturday. "

"My teacher has a good relationship with all her students. "

"We challenged the boys next door to a game of football."