1. presaging or likely to bring good luck

e.g. a favorable time to ask for a raise
lucky stars
a prosperous moment to make a decision

Synonym: goldenfavorableluckyprosperous

2. occurring at a convenient or suitable time

e.g. an opportune time to receive guests

Synonym: favorable

3. (of winds or weather) tending to promote or facilitate

e.g. the days were fair and the winds were favorable

Synonym: favorable

4. encouraging or approving or pleasing

e.g. a favorable reply
he received a favorable rating
listened with a favorable ear
made a favorable impression

Synonym: favorable