The best replacement for 'plethora' in the sentence is 'excess.'
Excess is the best replacement for 'plethora' in the sentence. In this context, 'plethora' means a large or excessive amount, which aligns with the meaning of 'excess.' For example, 'the plethora of festivities' can be replaced with 'the excess of festivities'.
https://brainly.com/question/46578487