A combination locking system has a combination lock comprising a plurality of sets of thematic component pictorial indicia imprinted upon a set of tumblers that when sequentially realigned form a series of gestalt composite images recognizable to a human operator. Only one of the composite images is the correct combination that unlocks the lock. A second embodiment of the combination locking system has a combination lock comprising a plurality of morphosyntactically conformational, paradigmatic semantic word string indicia that together form a myriad of grammatical and meaningful phrases, only one of which is the correct combination.
Mnemonic combination locking system