Peculated is a fairly uncommon word that means to embezzle or steal money. If you're looking for some synonyms to use instead of peculated, you could try words like appropriated, misappropriated, swindled, defrauded, or pilfered. All of these words have a similar meaning to peculated, but may be more recognizable to your audience. Another option could be to use more general terms like stole or took without permission, depending on the context in which you're writing or speaking. Whatever word you choose, be sure it accurately conveys the intended meaning.