selly
Selly (adj) means (archaic) Unusual, delightful and worthy of admiration.
Etymology
Came into English via Middle English selly, selly, sellich, from Old English sellīċ, seldlīċ (“rare, strange, wondrous”), from Proto-West Germanic *seldalīk, from Proto-Germanic *seldalīkaz; it is equivalent to seld + -ly. It is cognate with Scots selly, silly (“approved, good, worthy”), Old Saxon seldlīk (“rare, wonderful”), and Gothic ?????????? (sildaleiks, “wonderful”).