Is there a single word that means "the increase of personal power or influence" or "the increase of political power"?
2 Answers
From thefreedictionary...
aggrandisement
the act of increasing the wealth or prestige or power or scope of something
Your description is quite open so I focused on the idea of influence and fame.
Verbs
- propagate
- elect
- entitle
- empower
- authorize
Here are more general adjectives (become .../grow more ...)
- prominent
- prestigious
- remarkable
- renowned
- captivating
- vehement
- auspicious (compared to other options)
- rallied/supported
- respected
In an evil/villanous sense:
notorious or infamous