The word "mafialike" is often used to describe something that resembles the behavior or tactics of organized crime groups. However, there are many other synonyms that can be used to convey this same meaning. Some possible alternatives include "gangsterish," "thuggish," "criminalistic," "mob-style," "mafia-inspired," and "racketeer-like." Each of these words emphasizes different aspects of the mafia's activities, such as violence, corruption, or illegal dealings. Ultimately, the choice of synonym will depend on the context and tone of the writing, as well as the desired level of specificity and nuance.