custom
US /ˈkʌs.təm/
UK /ˈkʌs.təm/

1.
a traditional and widely accepted way of behaving or doing something specific to a particular society, place, or time
:
•
It is a local custom to greet visitors with a cup of tea.
•
The wedding ceremony followed ancient tribal customs.
1.
made or done to order for a particular customer
:
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He ordered a custom suit for the wedding.
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The company offers custom software solutions.