The email exchanges started out as cordial, if cold, but gradually grew more confrontational.
“I have a positive and cordial relationship with Michele,” he says.
“We agreed that we would say we had a cordial conversation,” she says of the half-hour meeting.
late 14c., "of the heart," from Middle French cordial, from Medieval Latin cordialis "of or for the heart," from Latin cor (genitive cordis) "heart" (see heart). Meaning "heartfelt, from the heart" is mid-15c. The noun is late 14c., originally "medicine, food, or drink that stimulates the heart." Related: Cordiality.