proper suggests a suitability through essential nature or accordance with custom.

PROPER definition: 1. real, satisfactory, suitable, or correct: 2. showing standards of behaviour that are socially…. Learn more.

1. used to mean 'real' You use proper in front of a noun to emphasize that someone or something really is the thing referred to by the noun. It's important to have a proper breakfast in the morning, not just a …

You use proper to describe things that you consider to be real and satisfactory rather than inadequate in some way. Two out of five people lack a proper job. I always cook a proper evening meal.

(immediately postpositive) (of an object, quality, etc) referred to or named specifically so as to exclude anything not directly connected with it: his claim is connected with the deed proper

Proper generally refers to something that is correctly done or behaving in a suitable or appropriate manner according to rules, conventions, standards or principles.

Proper definition: Characterized by appropriateness or suitability; fitting.