Fixates is a term that means 'to become obsessively focused on something'. There are several other words that could be used instead of fixates. One of the synonyms for fixates is obsessed. To be obsessed with something is to be fully focused and preoccupied with it. Another synonym for fixates is fixates on. To fixate on something means to become overly fixated on something or someone. Some other words that could be used as synonyms for fixates are fixated, preoccupied, consumed, and absorbed. In summary, all of these words indicate a sense of being consumed or overwhelmed by something and unable to move past it.