cordial (adj) - formally or courteously warm and friendly [kawr-juhl]
BREAKDOWN: CORD- (heart) + -IAL (relating to)
a cordial is also a liqueur, tonic, or medicinal drink
cordiality is sincere kindness or friendliness
“The way to make a true friend is to be one. Friendship implies loyalty, esteem, cordiality, sympathy, affection, readiness to aid, to help, to stick, to fight for, if need be. ... Radiate friendship and it will return sevenfold.” —B. C. Forbes