Webster’s Revised Unabridged Dictionary · 1913
Intelligible
In·tel′li·gi·ble (ĭn·tĕl′lĭ·jĭ·b'l), [L. intellegibilis: cf. F. intelligible. See Intelligent.] Capable of being understood or comprehended; as, an intelligible account or description; intelligible pronunciation, writing, etc.
The intelligible forms of ancient poets. Coleridge.
Syn. — Comprehensible; perspicuous; plain; clear.