A 'schematist' is someone who creates or uses schemes, or systematic plans or arrangements, often for technical purposes. Some synonyms for this word might include a planner, a strategist, a designer, or an architect. These terms all suggest someone who is skilled in creating structured, organized systems or blueprints, whether for engineering projects, marketing campaigns, or any other field that requires careful planning and execution. Other potential synonyms might include words like systematizer, methodologist, or organizer, all of which emphasize the idea of someone who develops and implements consistent, well-planned systems. Ultimately, the best synonym for schematist will depend on the particular context and the specific skills and expertise required.