Final answer:
Under the Creative Commons Attribution license, you can use and modify the material for any purpose, including commercially, as long as you provide proper attribution and maintain the same licensing terms if you create new works based on the original.
Step-by-step explanation:
You could legally use material published under the Creative Commons Attribution license (CC BY) in various ways. Firstly, it is essential to provide proper attribution to the original author, which includes giving credit, linking to the license, and stating if any changes were made to the work. This should be done in a manner that does not suggest endorsement by the licensor. Secondly, the CC BY license allows you to modify the material, such as remixing or transforming it, as long as one maintains the same licensing terms on the new creation. It is also important to note that the CC BY license permits the use of the material for commercial purposes, which means you can indeed use the work in a commercial setting as long as you comply with the attribution requirements.