Practise the thinking. Keep the judgement.
本当 (hontou): Truth; real; really
ほんとう
hontou
Meaning
Truth; real; really
Two original examples
その話は本当ですか。
Is that story true?
今日は本当に寒いです。
It is really cold today.
Usage and distinctions
本当 is the noun/adjectival form. 本当に modifies a statement: 本当においしい, really delicious. 本当？ or the casual ほんと？ can ask “Really?” It does not mean every claim following it has been verified.