The anagram is variation.
Theory
decibel
The answer is: PLAIN
congratulations
island
incorrectly
the answer is my falling big sock witches
Those letters will spell Plymouth, the name of a place.
The word unscrambled from "iclogtestia" that means conceited and self-centered is "egotistical." This term describes someone who excessively values their own importance and considers themselves superior to others.