involving or enabling discovery or problem-solving through methods such as experimentation, evaluation, and trial and error

a ‘hands-on’ or interactive heuristic approach to learning

the entire human existence is heuristic: we learn by trial and error and by our mistakes

proceeding to a solution by trial and error or by rules that are only loosely defined

they used heuristic algorithms to study routing strategies

a rule or piece of information used in or enabling problem-solving or decision-making

one very rough heuristic for judging an agreement would be the total savings it promises for the federal government

it's a crude but potentially effective heuristic for identifying secret enemies