One possibility is the word spectacular.
Earthquakes
"Alliteration" is a twelve letter word.
The eleven lettered word which has media in it is "multi-media". Remediation Remediating
Synonyms for wonderful that begin with the letter a:admirableamazingastonishingawesome
processions
elephantine
Ambitiously
Capitulates
proliferate
hypothermia
superfluous
Legislating is an eleven letter word for Congress making laws.