Usage examples for facile:

• Walking is extremely difficult at the beginning, when its movements are consciously performed, but it becomes a very satisfying sort of exercise after a while and then almost literally a facile nearly indispensable activity of daily life, so that we feel the need for it, if we are deprived of it. "Health Through Will Power" – James J. Walsh

• If the story is true, it adds its testimony to that of his works to the author's extraordinarily facile pen. "The Adventures of Sir Launcelot Greaves" – Tobias Smollett