1. [adj]  not unfriendly or threatening; "her well-meaning words were received in silence"; "the exasperation of a...well-meaning cow worried by dogs"
2. [adj]  marked by good intentions though often producing unfortunate results; "a well-intentioned but clumsy waiter"; "a well-meaning but tactless fellow"; "the son's well-meaning efforts threw a singular chill upon the father's admirers"- S.W.Maughm; "blunt but well-meant criticism"

WELL-MEANING is a 12 letter word that starts with W.