lucid

a. [ L. lucidus, fr. lux, lucis, light. See Light, n. ] 1. Shining; bright; resplendent; as, the lucid orbs of heaven. [ 1913 Webster ]

Lucid, like a glowworm. Sir I. Newton. [ 1913 Webster ]

A court compact of lucid marbles. Tennyson. [ 1913 Webster ]

2. Clear; transparent. “ Lucid streams.” Milton. [ 1913 Webster ]

3. Presenting a clear view; easily understood; clear. [ 1913 Webster ]

A lucid and interesting abstract of the debate. Macaulay. [ 1913 Webster ]

4. Bright with the radiance of intellect; not darkened or confused by delirium or madness; marked by the regular operations of reason; as, a lucid interval. [ 1913 Webster ]

Syn. -- Luminous; bright; clear; transparent; sane; reasonable. See Luminous. [ 1913 Webster ]