This is the 4450th most frequent German word.
kennengelernt
"Kennengelernt" means "got to know" or "met."
In this sentence, 'kennengelernt' refers to the past act of coming to know or meet a person for the first time.
Ich habe meinen besten Freund auf einer Reise kennengelernt.
I met my best friend on a trip.
Here, 'kennengelernt' questions whether the action of meeting a person has occurred.
Hast du schon unsere neuen Nachbarn kennengelernt?
Have you already met our new neighbors?
'kennengelernt' is used to describe the action of forming acquaintances during the event.