Capable of being understood: an intelligible set of directions.
Capable of being apprehended by the intellect alone.
[Middle English, from Old French, from Latin intellegibilis, intelligibilis, from intellegere, to perceive; see intelligent.] in·tel'li·gi·bil'i·ty, in·tel'li·gi·ble·ness n., in·tel'li·gi·bly adv.