Actualize/ˈæktʃuəlaɪz/ Definition 1 of 3Pro Tip 1/2Action Required Emphasizes the need to take action to achieve a goal or plan. To actualize our vision, decisive steps must be taken now. Pro Tip 2/2Beyond Ideas Focuses on transforming thoughts or plans into tangible results. After dreaming for years, he worked hard to actualize his restaurant.