1. (

• probably ,
• likely ,
• in_all_likelihood ,
• in_all_probability ,
• belike

) with considerable certainty; without much doubt; "He is probably out of the country"; "in all likelihood we are headed for war" ;

2. (

• credibly ,
• believably ,
• plausibly ,
• probably ,

) easy to believe on the basis of available evidence; "he talked plausibly before the committee"; "he will probably win the election" ;