Related Clues:

• Hazard warning
• Learn in passing
• Find out
• When doubled, a shout of approval
• Make euphoric
• 'Did you ___ that?'
• Use one of the senses
• Lift the spirits of
• Send spirits soaring
• Learn (of)
• When repeated, a cry of approval
• Perk up
• Put on cloud nine
• Thrill to pieces
• Give life to