kudos
avid
anxious, enthusiastic, interested, alert, and eager
"Endorsement" is an 8-letter word that means official approval or support.
nod
Oui is a three-letter word of approval in French.Specifically, the French word is an adverb. It generally translates as "yes." The pronunciation will be "wee" in French.
ratification
consent
Applaud.
To give approval in government = ratify.
check check
A five letter word for bravery is valor.
Scarf is a five letter word for muffler.