The word "essentially" is a adverb that means Basically; fundamentally.. In Bengali, it is expressed as "অপরিহার্যভাবে, মূলত, প্রধানত, প্রকৃতপক্ষে", which carries the same essential meaning. For example: "Essentially, the problem is one of communication.". Understanding "essentially" enhances vocabulary and improves language comprehension for both English and Bengali speakers This term plays an important role in effective communication and language learning.