Agentive is a word used to describe something that has the characteristics of an agent, someone who acts on behalf of someone else. Synonyms for this word include active, operative, productive, dynamic, and energetic. These words all describe something or someone that is capable of taking action and making things happen. They often suggest a sense of movement or momentum, indicating that something is ongoing and continuously evolving. Other synonyms for agentive include assertive, efficient, forceful, and resourceful. These words all suggest that the person or thing in question is capable of achieving their goals and making a difference in the world.