Answer: joins

AnswerCrossword Clue
JOINS

Becomes a member.

JOINS

Welds

JOINS

Takes up membership

JOINS
Falls in with
JOINS
Hops into the race
JOINSSplices
JOINSPuts together
JOINSTeams up with
JOINSTakes up with
JOINSUnites
JOINSAmalgamates
JOINSEnlists in
JOINSMeets.
JOINSAccompanies.
JOINSSigns on
JOINSBecomes a member of
JOINSMakes one
JOINSSigns up with
JOINSGets into, as a club
JOINSConnects
JOINSBrings together
JOINSOpts for membership
JOINSSigns up
JOINSMakes ends meet?
JOINSGoes in with
JOINSWelds together, say
JOINSBecomes a member