You searched for: “heuristics
heuristics (pl) (noun) (used with singular verb)
Any of various problem-solving techniques that involve the use of subjective knowledge, hunches, trial and error, rule of thumb, and other such informal but generally considered to be accurate methods.
This entry is located in the following units: eureka, heuristic (page 1) -ics, -tics [-ac after i] (page 20) -ist (page 26)