WordWeb Online

1. Willing to be taught or led or supervised or directed
   "the docile masses of an enslaved nation"
    
2. Ready and willing to be taught
   "docile pupils eager for instruction"
   - teachable
    
3. Easily handled or managed
   "a gentle old horse, docile and obedient"
   - gentle

See also: docility, manipulable, meek, obedient, sheepish, sheeplike, tame, tamed, tractable, yielding

Antonym: stubborn