likeliest

adjective likelier, likeliest

1. apparently true to the facts; credible; probable: a likely cause
2. seeming as if it would happen or might happen; reasonably to be expected; apparently destined: it is likely to rain
3. such as will probably be satisfactory or rewarding; suitable: a likely choice for the job
4. having good prospects; promising: a likely lad
5. Dialectal attractive; agreeable

adverb likelier, likeliest