This is the 5838th most frequent Japanese word.
ひらめい
"ひらめい" is the past tense of "ひらめく," meaning "flashed," "sparked," or "had a sudden idea/insight."
ひらめいた is used to mean 'came up with a flash of thought or idea.'
彼は新しいアイデアを突然ひらめいた。
He suddenly came up with a new idea.
ひらめいた is used to describe the sudden occurrence of a solution in mind.
困難な状況で解決策をひらめいた。
In a difficult situation, a solution came to mind.
ひらめいた conveys the sense of being inspired creatively by an impression or observation.