Venture, usually associated with risk taking or a new business enterprise, has several synonyms that convey similar meanings. "Adventure" suggests a thrilling or daring undertaking, while "exploit" implies a feat or action that requires courage and skill. "Enterprise" emphasizes the business aspect of a venture, while "undertaking" is a more general term that can refer to any task or project. "Gambling" connotes a high level of risk, while "speculation" suggests the potential for profit or loss. "Pursuit" indicates a determined effort to achieve a goal, and "odyssey" implies a long, challenging journey. Ultimately, the choice of synonym depends on the specific context and intended tone of the sentence.