affiliation
[C/U] Both
pl: affiliations
This term carries a heavy weight of formality and officialdom. It describes a structural or legal bond rather than a personal friendship or a casual preference. When someone mentions their affiliation, they are typically identifying the entity that provides them with authority, funding, or a professional identity.
Countable when referring to a specific membership or a single organizational tie. Uncountable when referring to the general concept of being connected to a larger body.
Meanings
Noun
[someone][something]
The state of being officially attached or connected to an organization.
"His political affiliation is a closely guarded secret."
Noun
[someone][something]
A formal connection or membership with a group or institution.
"The university has a strong affiliation with the local hospital."