Synonyms of involved

1 Syllable
rapt
2 Syllables
winding, wriggly, pricklier, hightech, joined, latent, puzzling, hi-tech, gasser, briery, mazy, tangled, complex, trickiest, meandrous, grinder, gordian, high-tech, implied, daedal, tricky, trickier, knottier, muddled, knotty, gogo, go-go, tortuous, brambly, prickly
3 Syllables
liveliest, daedalean, industrious, confusing, perplexing, abstruse, ramified, difficult, verbose, vestigial, included, absorbed, daedalian, lively, obscurer, livelier, spiraling, little-known
4 Syllables
implicated, byzantine, intricate, reticular, disorienting, tautologous, interested, unrealized, complicated, recondite, interclasped, interfused, interallied, echinated, convoluted, involute, instrumental
5 Syllables
sophisticated, inextricable, labyrinthine, elaborate
6 Syllables
higgledy-piggledy, multidimensional