"Increased legitimacy" means a higher level of acceptance, authority, or trust in something or someone.
Sentences with «increased legitimacy»
The second rationale is that proxy sponsors help increase the legitimacy of initiatives. (blog.politics.ox.ac.uk)
A solid online presence not only increases your legitimacy, it also creates more positive information to put on the first page of the search results. (thesavvyinspector.com)