The act of approving; an assenting to the propriety of a thing with some degree of pleasure or satisfaction; approval, sanction, commendation or official recognition.
disesteem
verb
To hold little or no esteem for; to consider worthless.
noun
Lack of esteem; disregard.
How often have the words approbation and disesteem occurred in a corpus of books? (source: Google Ngram Viewer )