Ultimately... / All in all... / In short...
Strong concluding connector that wraps up an argument or discussion with a final verdict. More decisive than en resumen or en pocas palabras.
Ultimately, the decision is yours.
There were problems, delays and misunderstandings; all in all, a disaster.
In short, what matters is that we're all ok.
In short, we cannot accept.
Ultimately, everything turned out well.