英和和英

befriend

mate with

to act as middlemen―act as go-between―go between the two parties―mediate between the two parties―negotiate between the two parties

to go between the parties―make a match―arrange a marriage―use one's good offices

become friends with

to accept a person as a friend

to become a leader of others

inseparable companions

get to know

come into the company of

to fall in love with each other

the act of befriending

a relationship between close friends

to become familiar with something or someone

congenial companions

like a companion

be intimate friends

to join a group

Let's just be friends.

to be left out of the party―left out in the cold

the state of being friends (or friendly)

of a circle of friends, to break up

for friendship's sake

a personal relationship of being long-standing friends

a relationship of being best friends with somebody

to become friends with someone

a state of being crowded with people

to have a close relationship with another person

a group consisting of people with the same interests

to get someone into one's group