has met with, has gathered
Nadie se ha reunido con el juez.
No one has met with the judge.
— Contratiempo (2017)
Se ha reunido mucha gente.
A large crowd has gathered.
Declaró que en los últimos meses se ha reunido con usted.
He stated that he has met with you in recent months.
— Who Am I: Ningún sistema es seguro (2014)