1) Absolutely 2) Agreed 3) Certainly 4) Clearly 5) Decidedly 6) Determinedly 7) Emphatically 8) Firmly 9) Forcefully 10) Obviously 11) Physically 12) Specifically 13) Surely 14) Unmistakably 15) Unquestionably 1) Absolutely 2) By all odds 3) Categorically 4) Clearly 5) Conspicuously 6) Decidedly 7) Distinctly 8) Emphatically 9) In a definite manner 10) In spades 11) Manifestly 12) Markedly 13) Noticeably 14) Particularly 15) Patently 16) Plainly 17) Positively 18) Specifically 19) Unambiguously 20) Unequivocally 
• (adv.) In a definite manner; with precision; precisely; determinately.
Def'i·nite·ly adverb In a definite manner; with precision; precisely; determinately. 
definitely Related 'end' units: term-, ultim-.
in a definite manner; unambiguously. · unequivocally; positively.
[Test terms] without question and beyond doubt