Epiphanic means sudden and profound realization or insight. There are various synonyms for this word including revelatory, enlightening, eye-opening, thought-provoking, illuminating, and insightful. Revelatory implies revealing something previously unknown, while enlightening suggests shedding light on previously obscure facts. Eye-opening refers to revealing surprising or unexpected information. Thought-provoking implies inspiring deep reflection and contemplation. Illuminating suggests revealing something in a clear and understandable manner. Insightful implies providing a deep and penetrating understanding of a topic. All of these synonyms communicate the idea of gaining a sudden and profound understanding or perception of something previously unknown or obscure.