Now Hear This is a phrase used to get someone's attention, usually in a military setting. The crossword solutions for this term are SOUND (5 letters), Decibel (7 letters), and Listenup (8 letters). SOUND is a vibration that travels through the air or another medium and can be heard when it reaches a person's ear. Decibel is a unit of measurement used to measure the intensity of SOUND. Listenup is an imperative phrase used to get someone's attention.