Likely or most likely to be true. / Likely to happen. / Supporting, or giving ground for, belief, but not demonstrating. / (obsolete) Capable of being proved.

Something that is likely. / A person who is likely to appear or do a certain thing.

plural of probable

The state or quality of being probable.

Obsolete form of probably.

The state of being probable; likelihood. / An event that is likely to occur. / The relative likelihood of an event happening.

In all likelihood.

plural of probability

(US, law) The standard by which a police officer may make an arrest or conduct a personal or property search, based on the likelihood of a criminal act etc.

plural of probable error