Intelligibility :: Intelligibility () The quality or state of being intelligible; clearness; perspicuity; definiteness.
Intelligible :: Intelligible () Capable of being understood or comprehended; as, an intelligible account or description; intelligible pronunciation, writing, etc..
Intelligibleness :: Intelligibleness (n.) The quality or state of being intelligible; intelligibility.
Intelligibly :: Intelligibly (adv.) In an intelligible manner; so as to be understood; clearly; plainly; as, to write or speak intelligibly..