tranquillare

Etymology
.

Verb

 * 1)  to calm down
 * 2)  to placate, to appease
 * 3)  to soothe (pain, etc.)
 * 4)  to reassure
 * 5)  to make (something) sure or secure
 * 6)  to keep (someone) quiet, to keep at bay
 * 7)  to enjoy peace and serenity
 * 8)  to enjoy oneself, to have fun
 * 1)  to enjoy oneself, to have fun