adjective

Suitable or proper in the circumstances.

a measure appropriate to a wartime economy

suitable,proper,fitting,apt

transitive verb

Take (something) for one’s own use, typically without the owner’s permission.

his images have been appropriated by advertisers

seize,commandeer,expropriate,annex,arrogate,sequestrate,sequester,take possession of,take over,assume,secure,acquire,wrest,usurp,claim,lay claim to,hijack