What's the adjective for facileness? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs facilitate and facilize which may be used as adjectives within certain contexts.
facile
Easy, now especially in a disparaging sense; contemptibly easy. [from 15th c.]
(now rare)Amiable, flexible, easy to get along with. [from 16th c.]