favourable

encouraging or approving or pleasing; "a favorable reply"; "he received a favorable rating"; "listened with a favorable ear"; "made a favorable impression"

(of winds or weather) tending to promote or facilitate; "the days were fair and the winds were favorable"

occurring at a convenient or suitable time; "an opportune time to receive guests"

presaging or likely to bring good luck; "a favorable time to ask for a raise"; "lucky stars"; "a prosperous moment to make a decision"