The phrase "drew a blank" refers to a situation where we fail to recall or come up with any information, solution or ideas. Antonyms of this phrase include "hit the jackpot," "struck gold," "found a solution" and "figured it out." These antonyms indicate successful endeavors in recalling or finding something. Other antonyms of "drew a blank" include "remembered," "recalled," "recognized" and "recited." These words signify the ability to retrieve some information from our memory or come up with ideas. Therefore, while "drew a blank" may indicate frustration or defeat, its antonyms represent success, triumph, and achievement.