Basu is a word that generally has no synonyms. It is a surname that originates in India and means "of high birth." While there may be alternate spellings or variations of the name in different languages, there is no precise word that is an equivalent of "basu." However, one way to describe the meaning of the name is with the synonyms of "noble," "distinguished," or "aristocratic." These words all convey a similar sense of elevated status, which is what the name Basu is intended to represent. So while there may not be an exact synonym for Basu itself, there are certainly words that capture the same essence of prestige and distinction.