Synonyms of heuristic

1 Syllable
prying
2 Syllables
probing, searching, nosy, studious, doubtful
3 Syllables
fact-finding, quizzical, factfinding, socratic, inquiring, questioning
4 Syllables
examining, interested, catechistic, outward-looking
5 Syllables
speculative, analytical, inquisitive
6 Syllables
investigative, investigatory, interrogative