ADVANTAGEOUS
advantageous, favorable, favourable
(adjective) giving an advantage; “a contract advantageous to our country”; “socially advantageous to entertain often”
advantageous
(adjective) appropriate for achieving a particular end; implies a lack of concern for fairness
Source: WordNet® 3.1
Etymology
Adjective
advantageous (comparative more advantageous, superlative most advantageous)
Being of advantage, beneficial.
Synonyms: behooveful, furthersome, gainful, profitable, useful
Source: Wiktionary
Ad`van*ta"geous, a. Etym: [F. avantageux, fr. avantage.]
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition