()たして

はたして
adverb
as expected; really (rhetorical)
expression
1. as expected, sure enough
Indicates that something turned out just as one expected or feared. Often used when confirming a prediction.
()たして予想(よそう)(どお)だった。
Sure enough, it was just as expected.
I had been worried, and sure enough, it started to rain.
He said he'd be fine, and sure enough, true to his word, he returned safely.
2. really, indeed (rhetorical)
Used in questions to express doubt or wonder about whether something is truly the case. Adds a rhetorical or contemplative tone.
()たして本当(ほんとう)だろう
Is it really true, I wonder?
()たしてこの計画(けいかく)うまくいく
Will this plan really work out?
Can humans really coexist with nature?

Usage

Sense 1 (as expected) typically appears in narrative or reporting contexts, confirming something that was anticipated. It often pairs with past-tense statements.

Sense 2 (really?) appears in questions, often with だろう or , adding a contemplative or skeptical nuance. Common in essays, speeches, and inner monologue.

Etymology

From the verb ()たす (to fulfill, to carry out). The て-form became fixed as an adverb meaning "as a result" or "in the end."