Yes, establishing is a word.
The base word in "establishing" is "establish."
The word 'establishing' in a script is usually included in the phrase 'establishing shot'. This shot establishes the location of the ensuing scene. For example, just before a scene in a classroom, the establishing shot of the exterior of the school can be shown.
You spell the word establishing exactly as it's spelled in the question, "establishing."
I have nooo
"Metrix" is not an English word. It might be a mis-spelling of "matrix", or of "metric".
In a word,gold, in two words gold and silver
The noun that can be formed from the word "prove" is "proof." It refers to evidence or argument establishing a fact or the truth of a statement.
"TSLEE-o" is a pronunciation of the French word Zlio. The proper noun references a website for establishing online stores.
I don't know if you're referring to the word "Men" as generic (both Men and Women), or specific to "male". If it's the latter, then the my answer is; The same role of women in establishing communities...
Establishing order _ Establishing security
The newly arrived unit begin garrisoning the abandoned outpost after establishing pickets to warn of attack.
The word "Google" has been added to dictionaries.