the state of being likely or probable; probability.

a probability or chance of something

There is a strong likelihood of his being elected.

Archaic . indication of a favorable end; promise.

noun

unlikelihood , improbability

noun

coin flip , direction , even break , fair shake , fifty-fifty * , fighting chance * , good chance , liability , likeliness , long shot * , outside chance , plausibility , possibility , presumption , probability , prospect , reasonableness , shot at , strong possibility , tendency , toss-up , trend , odds , appearance , chance , verisimilitude