The crossword solution for the term 'FLY EASILY' is 'GLIDE'. To fly easily means to move through the air with little effort, and gliding is a form of flight that requires no thrust or power from the aircraft. Gliding is a type of soaring, which is the use of rising air currents to maintain altitude without the use of engine power. Gliding is a popular recreational activity, and it can also be used for transportation.