っぽい => Seems A; A-ish N3
Adjectival, Description
っぽい => seems like; somewhat; -ish; easily does; often does ~ N2
いっぽう(で) => on one hand, on the other hand; although ~ N2
Compare
[一方「いっぽう」]だ => Change A continues, A does not stop N2
Miscellaneous
[一方「いっぽう」] => On one hand A, on the other, B; Although A, at the same time, B N2
Contrast,Surprise
~仮に...とすれば / としたら / とする => ~If..., suppose... N1
Condition (hypothetical condition)
ともすると => Perhaps, maybe N3
Base, base
とする => Suppose (assumption) N3
Condition (hypothetical condition)
やっと => Eventually... N4
... こととする => to decide on N2
Speculation
~ものとする => understood as ~ N1
Consider it
... とすれば => point of view N2
Position, perspective