B1
the state of being a member of a group or organization
Dictionary examples:
I got a free membership to the 'Procrastinators' club. I'll join tomorrow. (0.0)
I got free pizza with my membership to the 'Couch Potatoes Anonymous' club. (0.0)
I accidentally got a membership to the 'Early Birds' club. Help! (0.0)
a membership card/fee (27.5)
We applied for membership in the country club. (33.2)
Some fitness clubs sell lifetime memberships. (37.6)