をもって => with... N1
Means and methods
をもって => Since the time... N1
Time
をもとに/をもとにして => A as a basis for B N2
Based, Focused, Depending on
~をもって(を以って)      => by means of; with; on / at / as of (time)​ N1
のもと/をもと => Based in/on A N2
Based, Focused, Depending on
ものを => Although A, (unfortunate result) B N1
Contrast/Surprise
~ものを      => But, Although, If only, I wish I had N1
をもとに => based on; derived from; building on; beginning with ~ N2
~をたて(~を経て)      => through; after; via N1
を => Auxiliary words N5
をものともせずに => in defiance of; not losing to / afraid / worrying about ~ N1
…ものを => if only; I wish; I'm sorry it's not actually (regret) N1
Consider it