That depends on which country you were in and the specific time period. Each country had its own language or languages in the medieval era, just as they do today.
In Old English (spoken in Saxon England) the word for the adjective "polite" is lýðrest.
In Middle English (spoken in England from the middle of the 12th century), it is mid god herte, in a god manere, god tonge,or gentil.
In Anglo-Norman French it is gentil.
In Welsh it is boneddigaidd.
In Scots Gaelic it is modhail.
In Europe there were very many other medieval languages.
Middle ages things and times are called Medieval.
"Medivial" means nothing. It is a misspelling of the word "medieval " which means "the middle ages."
complaisantcondescendingconsiderate
Old French used the word "ha" as a greeting: it means hello, but it also means any word of surprise or happiness such as ha!
The adverb for the word polite would be politely. This means been nice to someone.
Polite, agreeable, genial, favorable.
Medival is an incorrect spelling of medieval, which means "middle ages."
Castle
Yeoman
Zaserohna
Neither the word "Xerox" nor the Xerox Corporation existed in medieval times. Xerox is a trademark and an invented word - invented around 1958. Xerxes, however, was an ancient Persian emperor, long before medieval times, but his name was known in medieval Europe.
This is s French word that means to be polite and accommodating; courteous.