(a.) Capable of being taught; apt to learn; also, willing to receive instruction; docile.

apt bright clever docile educable facile formable homely humble humble-looking humble-visaged humblest impressionable inglorious innocuous instructable intelligent least low lowest lowliest lowly malleable mean modest moldable motivated plain plastic pliable poor quick ready receptive ripe for instruction schoolable simple small susceptible thirsty for knowledge trainable undistinguished unimportant unpretentious willing