verb

 

make a group to join other people somewhere to make a group, or to bring people together into a group

Crowds of fans gathered at the stadium for the big match.

 

collect to collect several things together, often from different places or people

They interviewed 1000 people to gather data on TV viewing habits.

 

think to think something is true because you have heard or seen information about it

From what I can gather, they haven't sold their house yet.