Peculating is a word that means to steal something that has been entrusted to you, usually for personal gain. There are several synonyms that can be used in place of the word "peculating", such as embezzling, misappropriating, swindling, stealing, defrauding, and pilfering. Embezzling suggests that the theft is carried out by someone who is in a position of trust, misappropriating implies that the theft is done for a specific purpose, swindling implies the use of deception to carry out the theft, while pilfering implies petty theft. Regardless of the synonym used, it is important to remember that peculating is illegal and unethical, and can lead to serious consequences.