When writing an argumentative essay or presenting a discussion, the word "arguably" plays a vital role in creating a persuasive argument. However, it is always beneficial to use synonyms to avoid repetitive language and make the written or spoken discourse more engaging. Some of the synonyms of "arguably" include "possibly," "debatably," "controversially," "supposedly," "allegedly," "presumably," "arguably," "perhaps," "likely," "conceivably," "plausibly," "proposedly," "assumingly," "assertedly," and more. It is essential to choose the right synonym based on the context and tone of the argument, as each word carries its unique meaning and impact. Using synonyms for "arguably" can elevate the persuasive power and professionalism of any argumentative work.