[so much] adv (13c): by the amount indicated or suggested "if they lose their way, so much the better for us"
[2]so much pron (14c) 1: something (as an amount or price) unspecified or undetermined "charge so much a mile"
2: all that can be or is to be said or done "so much for the history of the case" [3]so much adj (1557)--used as an intensive "the house burned like so much paper" "sounded like so much nonsense"