the final issue, the conclusion, or the result

The upshot of the disagreement was a new bylaw.

the gist, as of an argument or thesis.

noun

cause , origin , source

noun

aftereffect , aftermath , burden , climax , completion , conclusion , consequence , core , culmination , denouement , development , effect , end , ending , event , eventuality , finale , finish , gist , issue , meaning , meat * , outcome , payoff , pith * , purport , result , sense , sequel , substance , termination , thrust , corollary , end product , fruit , harvest , precipitate , ramification , resultant , sequence , sequent , limit