FACT ... Did you know that ... Rachasap - this is the language that is used exclusively to refer to the King of Thailand ....) King, no doubt, is the most beloved and revered person in all of Thailand. Speaking of the royal family, or turning to its members, the Thais use a special language known as "rachasap", which means "royal language". This tradition for more than seven hundred years, and it is an integral part of Thai culture. Most Thais know the language, but very few can speak it correctly. However, rachasap can be heard almost daily on television and radio, whenever something is said about the king or his family.