1. With considerable certainty; without much doubt; "He is probably out of the country".[Wordnet]
2. Easy to believe on the basis of available evidence; "he will probably win the election".[Wordnet]
3. In a probable manner; in likelihood.[Websters]
4. In a sure, certain, natural or definite manner. [Eve - graph theoretic]
5. In an eventual or contingent manner. [Eve - graph theoretic]
6. In an apparent, obvious or evident manner. [Eve - graph theoretic]
7. In a truthful, absolute or implicit manner. [Eve - graph theoretic]
8. In an assumptive, presumptive or putative manner. [Eve - graph theoretic]
9. Adverbial inflection of the adjective probable.