kudos
avid
anxious, enthusiastic, interested, alert, and eager
"Endorsement" is an 8-letter word that means official approval or support.
nod
The adjective form of "enthusiasm" is "enthusiastic." This word describes a person or their actions as showing intense and eager enjoyment, interest, or approval. For example, one might say, "She gave an enthusiastic response to the project."
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.
A five letter word for bravery is valor.
A five letter word for "irritate" is "annoy."