Definitive
WordNet
adjective
(1) Supplying or being a final or conclusive settlement
"A definitive verdict"
"A determinate answer to the problem"
(2) Clearly defined or formulated
"The plain and unequivocal language of the laws"- R.B.Taney
(3) Of recognized authority or excellence
"The definitive work on Greece"
"Classical methods of navigation"
WiktionaryText
Adjective
definitive
- explicitly defined
- conclusive or decisive
- definite, authoritative and complete
Noun
- a word, such as a definite article or demonstrative pronoun, that defines or limits something
- an ordinary postage stamp that is part of a series of all denominations or is reprinted as needed to meet demand
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