of or pertaining to a process involving a randomly determined sequence of observations each of which is considered as a sample of one element from a probability distribution.
Origin: 1655–65; < Gk stochastikós, equiv. to stochas- (var. s. of stocházesthai to aim at) + -tikos-tic
Of, relating to, or characterized by conjecture; conjectural.
Statistics
Involving or containing a random variable or variables: stochastic calculus.
Involving chance or probability: a stochastic stimulation.
[Greek stokhastikos, from stokhastēs, diviner, from stokhazesthai, to guess at, from stokhos, aim, goal; see stegh- in Indo-European roots.] sto·chas'ti·cal·ly adv.