“become / accomplish” in Japanese is 成, read sei, jou, na (せい, じょう, な). It is a Grade 4 Kyōiku kanji, taught in year 4 of Japanese elementary school, and appears in words such as 成長 (growth).
What does 成 mean?
夢が成功した。
Same sound, different character — the classic trap. Compare them side by side: