advantageous

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective advantageous is

being of advantage, beneficial.

As adjectives the difference between advantageous and effective

is that advantageous is being of advantage, beneficial while effective is having the power to produce a required effect or effects.

As a noun effective is

a soldier fit for duty.

As adjectives the difference between advantageous and invaluable

is that advantageous is being of advantage, beneficial while invaluable is of great value; costly, precious, priceless.

As adjectives the difference between advantageous and behoovable

is that advantageous is being of advantage, beneficial while behoovable is (obsolete) supplying need; profitable; advantageous.

As adjectives the difference between advantageous and behooveful

is that advantageous is being of advantage, beneficial while behooveful is (archaic) needful; useful; fit; profitable; advantageous.

As an adjective advantageous

is being of advantage, beneficial.

As a noun pozzy is

(uk|military slang) jam (fruit conserve made from fruit boiled with sugar) or pozzy can be a firing position.

As an adjective advantageous

is being of advantage, beneficial.

As a noun possie is

a firing position.