To be excited about something, means to be eager.

To use eager in a sentence, "I was eager to receive my final grades for the semester."

Complete means to be finished or done.

To use complete in a sentence, "I was able to complete my homework before dinner."

People that are noble have good qualities or high morals.

To use noble in a sentence, "The noble knight lived up to his word as he returned the lost princess to the king."