When it comes to writing essays, there is no single word that can effectively substitute for the word because. Because is a conjunction used to connect two related ideas or thoughts, so it is difficult to replace it with any other single word. There are, however, several words and phrases that can be used in its place to create a similar effect.
For example, the phrase in view of the fact that can be used to provide a logical explanation for something. This phrase also allows a writer to provide an opinion or argument that is based on reliable facts. Additionally, words like for, given and owing to can also be used in place of because. These words are typically used when introducing a reason for something and are effective tools for supporting an argument.
The phrase inasmuch as can also be used in place of because when providing an explanation for something. When used properly, this phrase is effective in conveying the idea that something is true because of another premise. For example, one could say Inasmuch as I have been studying for the past month, I feel confident in my skills. This phrase implies that the speaker is confident in their abilities due to their months of studying.
Similarly, the phrase due to the fact that can be used to explain why something is true. This phrase is effective when one is providing an explanation for why they did (or did not do) something. For example, one might say Due to the fact that I had a previous engagement, I was unable to attend the meeting.
Overall, while there is no single word to effectively substitute for the word because in an essay, there are many phrases that can be used to achieve the same effect. Each of these phrases has its own nuances and implications, so it is important for writers to choose the one that best fits their argument or opinion.