ともすると => Perhaps, maybe N3
Base, base
~ものとする => understood as ~ N1
Consider it
ものとする => A is decided N1
Information, Report
とする => Suppose (assumption) N3
Condition (hypothetical condition)
... こととする => to decide on N2
Speculation
~仮に...とすれば / としたら / とする => ~If..., suppose... N1
Condition (hypothetical condition)
... るとか ... るとか => それとも... または N4
Demonstrate by example
~と(も)なると/と(も)なれば => ~Just, whenever, once N1
Condition (hypothetical condition)
...とする => assume, regard X as ~ , suppose N3
Decision
~ことにする      => to decide on N4
Decision
まいとする => Do not let... N2
Will, intention
ことにする => to decide on N4
Determined, determined