IPA: /ədˈvæn.tɪ.dʒəs/
KK: /ædˈvæntɪdʒəs/
Providing a benefit or a favorable condition that helps someone or something succeed.
It is advantageous to invest in renewable energy sources.
Comparative: more advantageous
Superlative: most advantageous
Advantageous → It is formed from "advantage" (from Old French *avantage*, meaning benefit or profit) and "-ous" (meaning full of). The word "advantageous" means full of advantage or beneficial.
Think of having many benefits or 'advantages' — that's what 'advantageous' means, being full of advantages.