Nounverb
Hint - A small or subtle piece of advice, suggestion, or information, often given to help someone understand something or solve a problem.

After a difficult 30 minutes in front of the group, my manager gave me a hint on how to improve my presentation.
intrigue - To arouse curiosity and interest by unusual, new, and fascinating qualities
Though Steve didn't understand much about the field of Artificial Intelligence, he was intrigued about all the talk he heard about it, and he wanted to learn more about it.