stochastic

English Thesaurus

1. being or having a random variable (adj.all)

similar	:	random,
definition	:	lacking any definite plan or order or purpose; governed by or depending on chance (adj.all)

domain category	:	statistics,
definition	:	a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters (noun.cognition)