inquiry

(the process of asking) a question

I've been making inquiries about / into the cost of a round-the-world-ticket

inquiry into matter is pointless - no one will tell you anything

We have received hundreds of calls from people making inquiries about availability of the product.

an official process to discover the facts about something bad that has happened

a judicial inquiry

Citizens have demanded a full inquiry into the goverment's handling of the epidemic

the company has received more than 1000 inquiries since the launched the insurance policy last month.