originative (adjective) creative: artistic, imaginative
Sinonime: beyond doubt, cinched, clear-cut, clinched,
confirmed,
decided,
definite,
dependable, ensured,
fixed,
guaranteed, in the bag, indubitable, insured, irrefutable, made certain, nailed down, on ice,
pronounced, racked, sealed,
secure,
set,
settled, sewed up, sure, surefire, undoubted, unquestionable
Antonime: doubted, doubtful, feared,
uncertain