Motorised is a word that typically refers to the use of a motor or engine for power. Other synonyms for motorized could include the terms mechanized, powered, or motorized. Other related words might include automated, driven, energized, propelled, or run. When used in context, such as "motorized vehicle," additional synonyms for motorized might include terms like mobile, transport, or powering. Similarly, when used to describe the powering of a tool or machine, additional alternatives could include motivated, energised, or enabled. Overall, depending on the context, there are many possible synonyms for the word motorized, each providing a slightly different shade of meaning.