To provide an accurate interpretation of the word "imposing" in the context of that specific passage, I would need to see the text of the paragraph or have a general understanding of it. However, generally speaking, "imposing" can mean significant, authoritative, or commanding attention. It often describes something that has a strong presence or impact.
If "imposing" is used in the context of "how a month of giving can change your life," it could imply that the act of giving creates a powerful and impactful experience. If you can share more details or the text, I would be able to give a more specific analysis.