The word ‘magnitude’ refers to the size, extent, or importance of something. Synonyms for magnitude include ‘size,’ ‘extent,’ ‘scale,’ and ‘importance.’ Each of these words can be used in different contexts to convey a similar meaning.
For example, when discussing the ‘magnitude of an event,’ one might refer to its ‘scale’ to emphasize how big or significant it is. Likewise, in scientific discussions about measurements, ‘size’ might be more appropriate. The choice of synonym can depend on the context in which you are using the term.