There are various synonyms for the word "entrains" that relate to the act of boarding a train or arranging for transportation by train. Some of the commonly used synonyms for this word include embark, board, hop aboard, hop on, climb aboard, and get on. These synonyms are often used interchangeably and can be helpful in adding variety and variety to your writing or conversation. Whether you are referring to a specific train voyage or simply discussing the act of taking a train, using a synonym for "entrains" can help to convey your message effectively and make your language more engaging.