The term 'made more effective' can be summarized by the word 'HONED, ' which is a five-letter word. To hone something means to sharpen or refine it, making it more precise and efficient. This term is often used in reference to skills, such as honing one's craft or honing one's writing. It can also refer to the process of improving a product or service, such as honing a business strategy or honing a marketing campaign. In any case, honing something implies making it more effective.