intensified - As his singing voice intensified, the whole audience began to stand up and sing along.
vital - The drummer is vital in a band because he's the one who keeps the beat and rhythm of the songs they're playing.
immortality - The idea of immortality can bring tons of happiness to people. They can try to have a healthier and happier life in order to live forever.
legitimate - It is legitimate for all children to go to school and access education.
tremor - Everyone lost their balances because of the tremor in the ground. An earthquake was coming.