A word that actually has no definition, no matter how many people tell you, gaslight, gaslighted, gaslit, or any other variations, are fake. If you thought any of them were real in the first place, you might be crazy, or misled by family and friends. They want to lie to you about real definitions. Yes, you.
{1}: He was trying to gaslight m-
{2}: gaslight isnt a word...?
{1}: what do you mean??
{2}: it never has been? its not a word, it doesnt exist
gas·light /ˈɡasˌlīt/
verb gerund or present participle: gaslighting
manipulate (someone) using psychological methods into questioning their own sanity or powers of reasoning.
_transitive verb_
to blame your fart on someone else, attempting to make them question whether it really was them who farted... and their sanity.
Innocent: "What's that smell?"
Gaslighter: "I don't know, I guess you farted."
Innocent: "Don't gaslight me! It was you!"
Gaslighter: "Poor dear, you must be tired... you don't even know. The bathroom's just upstairs if you need it. I don't mind."