is there another way of saying better understand? the snetence im trying to write is "imagery can also help the reader to better understand the poem thus the reader is able to ...(is it appropriate to write better understand again here?)"

Try reversing the words and using synonyms, and then rephrasing.

... to understand ... better
... to comprehend ...
... to get the author's message ...
(And any others you can think of)

Yes, there are several alternative ways to express "better understand" in your sentence. Here are a few options:

1. "...thus enabling the reader to gain a deeper comprehension of the poem."
2. "...thus helping the reader to enhance their understanding of the poem."
3. "...thus allowing the reader to grasp the poem more effectively."

Feel free to choose the alternative that best suits your intended meaning and style.

Yes, there are alternative ways to express "better understand" in your sentence. Here are a few alternatives you can consider:

1. "Imagery can also help the reader comprehend the poem."
2. "Imagery can also aid the reader in gaining a deeper understanding of the poem."
3. "Imagery can also assist the reader in grasping the poem's meaning."
4. "Imagery can also enhance the reader's comprehension of the poem."

In the second part of your sentence, it is not necessary to use "better understand" again. You can rephrase it to maintain coherence and avoid redundancy. For example:

"Thus, the reader is able to engage with the poem more effectively."

Feel free to choose the alternative that best fits the context and tone of your writing.