Merriam-Webster's Collegiate® Dictionary, 11th Edition
FRIENDLY
I. adjective (friendlier; -est) Date: before 12th century of, relating to, or befitting a friend: as, showing kindly interest and goodwill, not hostile , cheerful , comforting , serving a beneficial or helpful purpose, easy to use or understand , compatible , accommodating , see: amicable friendlily adverb friendliness noun
II. adverb Date: before 12th century in a friendly manner ; amicably,
III. noun (plural friendlies)
Date: 1861
one that is friendly, a match between sports teams and especially international teams that has no connection with league or championship play