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.
wonder - To feel curiosity or doubt about something; to question or inquire about something, often with a sense of awe or amazement.
When she saw the magician perform his final trick with the glass ball, she couldn't stop wondering how he did the trick.