expression
even; for starters; to begin with
Used to single out an extreme or representative example, often implying that if this is the case, the rest is even more so. Common in negative evaluations.
彼は挨拶からして失礼だ。
He's rude even in his greetings.
この店は値段からして高すぎる。
This shop is too expensive, even just looking at the prices.
expression
so; therefore; for that reason
Emphatic form of から, used to strongly mark a reason or cause. Sounds somewhat assertive or explanatory.
危ないからして、入ってはいけません。
It's dangerous, so you must not enter.
expression
Used to state a basis for judgment or inference. Often interchangeable with からすると or から見ると, but からして can sound more direct.
この様子からして、彼は成功するだろう。
Judging from how things look, he will probably succeed.
顔色からして、彼女は元気がない。
Based on her complexion, she seems unwell.