Teleology/ˌtiːliˈɑːlədʒi/ Definition 1 of 3Pro Tip 1/3Purposeful Actions Teleology implies intention and goal-orientation in actions or creations. Artists often exhibit teleology in their work to convey a message. Pro Tip 2/3Organic Growth In biology, teleology can explain the evolution of organisms towards complexity. The teleology of plants is evident in their growth towards sunlight. Pro Tip 3/3Historical Purpose In history, teleology can mean events leading to an intended or inevitable end. Historians debate the teleology of the Roman Empire's expansion.