Some possibilities:
essence
substance
quintessence
heart
kernel
core
soul
center
The 'qualative' appeal
The word 'inherently' means existing as an essential characteristic or natural quality of something, rather than being added on or acquired. It implies that the quality is intrinsic or built-in, rather than dependent on external factors.
Vital means something important or essential.
The root word in "substantial" is "substance," which refers to the essential nature or quality of something.
Vital means something important or essential.
The word Essential means something that is of extreme importance and an absolute necessity.
The word you're looking for is "Primal."Correction:'Basic nature' is a noun phrase, but 'primal' is an adjective. If you are happy with the connotations of 'primal', the form you need is 'primality'.
The definition of the word appraised generally means to assess the value or quality of something. If something is set a price by an expert, this is also known as being appraised.
It refers to an interior part that something cannot operate without.
Comes from the word quality which is the meaning. Was first used in 1970s.
Non-essential means something that is not crucial or necessary for a specific purpose or function. It refers to items, tasks, or actions that are not essential or required in a particular context.
The word that means to make complete is "complement." It refers to something that completes or goes well with something else, enhancing its overall quality or effectiveness. Another related term is "fulfill," which can also imply bringing something to completion or realization.