DEFINITIVELY
Etymology
Adverb
definitively (comparative more definitively, superlative most definitively)
In a way that is not only decisive, but also conclusive and final.
Source: Wiktionary
De*fin"i*tive*ly, adv.
Definition: In a definitive manner.
DEFINITIVE
De*fin"i*tive, a. Etym: [L. definitivus: cf. F. définitif.]
1. Determinate; positive; final; conclusive; unconditional; express.
A strict and definitive truth. Sir T. Browne.
Some definitive . . . scheme of reconciliation. Prescott.
2. Limiting; determining; as, a definitive word.
3. Determined; resolved. [Obs.] Shak.
De*fin"i*tive, n. (Gram.)
Definition: A word used to define or limit the extent of the signification
of a common noun, such as the definite article, and some pronouns.
Note: Definitives . . . are commonly called by grammarians articles.
. . . They are of two kinds, either those properly and strictly so
called, or else pronominal articles, such as this, that, any, other,
some, all, no, none, etc. Harris (Hermes).
Source: Webster’s Unabridged Dictionary 1913 Edition