What does 盛装 mean?
盛装 is a Japanese noun meaning “be dressed up, wear rich clothes” in English. It is written as 盛装 in kanji, せいそう in hiragana, and seisou in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
彼女は盛装してパーティーに出かけて行った。
She dressed up and left for the party.