adoptive

As an adjective adoptive

is related through adoption; more generally, relating to adoption.

As a noun succession is

an act of following in sequence.

As adjectives the difference between adoptive and adaptable

is that adoptive is related through adoption; more generally, relating to adoption while adaptable is capable of adapting or of being adapted.

As a noun taxonomy

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

As an adjective adoptive is

related through adoption; more generally, relating to adoption.

As adjectives the difference between adoptive and adaptive

is that adoptive is related through adoption; more generally, relating to adoption while adaptive is of, pertaining to, characterized by or showing adaptation; making or made fit or suitable.