peer group

A peer group is a group of people of approximately the same age, social status, and interests. To work out the relationship with peers, there can be confusion for people to find out how they fit in. Some groups are socialized by peers rather than by their families or conventional institutions. They define themselves as a gang or sometimes as a circle of friends.
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Noun
1. contemporaries of the same status
(hypernym) coevals, contemporaries, generation
(member-meronym) peer, equal, match, compeer

In Open Systems Interconnection (OSI)--Architecture, a group of functional units in a given layer of a network in which all the functions performed by the functional units extend throughout the system at the same layer. [From Weik '89]

friends and people that we associate with and buy products and brands that conform to their approval.

peer group
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