Obsolete form of probably.

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.

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

plural of probable

The state or quality of being probable.

(mathematics) The mathematical study of probability (the likelihood of occurrence of random events in order to predict the behavior of defined systems).

(statistics) A distribution of all possible values of a random variable together with an indication of their probabilities.