conducive to good health of body or mind; "a healthful climate"; "a healthful environment"; "healthful nutrition"; "healthful sleep"; "Dickens's relatively healthful exuberance"
the eye unaided by any optical instrument that alters the power of vision or alters the apparent size or distance of objects; "it is not safe to look directly at the sun with the naked eye"
occurring at a convenient or suitable time; "an opportune time to receive guests"
(of winds or weather) tending to promote or facilitate; "the days were fair and the winds were favorable"
encouraging or approving or pleasing; "a favorable reply"; "he received a favorable rating"; "listened with a favorable ear"; "made a favorable impression"
favorably disposed; not antagonistic; "a government favorable to our interests"