What does "advantageous" mean?

Advantageous: Being of advantage; conferring advantage; gainful; profitable; useful; beneficial; as, an advantageous position; trade is advantageous to a nation. Advabtageous comparison with any other country. Prescott. You see . . . of what use a good reputation is, and how swift and advantageous a harbinger it is, wherever one goes. Chesterfield.