There are many synonyms for the phrase "made the most of," which refers to utilizing an opportunity to its fullest potential. Some possible options include seized, exploited, capitalized on, maximized, utilized, harnessed, leveraged, optimized, and fully utilized. Each of these options emphasizes a slightly different aspect of taking advantage of an opportunity, from acting quickly and decisively (seized) to making the best use of available resources (optimized). By choosing a synonym based on the particular nuance of the situation, you can more effectively convey the precise meaning of the sentence. Whatever word you choose, the overall message will be clear: you made the most of your opportunity.