Synonyms for lucid

alert, all clear, awake, aware, bright, brightened, clear, clear-headed, cogent, cognizant, coherent, comprehensible, conscious, crystalline, distinct, enlightened, explicit, illuminated, intelligible, lighted, limpid, luminous, pellucid, perspicuous, plain, radiant, readable, see-through, shiny, stark, translucent, transparent, unclouded, understandable