Synonyms of true

1 Syllable
trueing, right, yes, straight, loyal, staunch, real, trued, just, yep, goer, goest, truing, reals, flush
2 Syllables
correct, come-through, purer, roger, bullseye, juster, straightest, heartiest, true-life, righting, hearty, purest, actuals, steadfast, unbent, exact, worthy, righted, condign, flusher, deep-felt, stauncher, straighter, even, worthier, planar, realer, worthiest, valid, truthful, righter, trusted, proper, staunchest, lieger, for-sure, sure-thing, unspoilt, realest, verier, factual, artless, honest, deep-down, deep-dyed, old-line, rightful, justing, veriest, faithful, trustier, evens, heartfelt, heartier, actual, flushing, very
3 Syllables
truth-telling, tailor-make, trustable, uniform, authentic, upstanding, true-hearted, unfailing, allegiant, unblighted, official, scrupulous, unerring, reliable, dead-level, maidenly, watertight, uncurled, truthtelling, likelier, chivalrous, well-suited, unmingled, evener, orthodox, consistent, trustworthy, likeliest, tenacious, material, likely, incorrupt, intrinsic, doctrinal, literal, truehearted, sincerest, inerrant, unfeigned, sincere, evened, invariant, devoted, collinear
4 Syllables
double-checked, unaffected, resolute, high-principled, infallible, regulating, inviolate, unprofaned, regulate, nonspiritual, undeviating, inferable, dependable, lifelike, rectilineal, appropriate, inarguable, inerrable, unmannered, uncolored, veridical, apodictic, undistorted, believeable, appurtenant, supposable, veritable, above-board, unforgetful, never-failing, wholehearted, honest-to-god, really-truly, uncontrived, dyed-in-the-wool, aboveboard, unrefuted, accurate, buttoned-down, undeniable
5 Syllables
undisputable, naturalistic, incontestable, indisputable, undeceivable, conjecturable, ultraprecise, unassailable, unquestionable, well-established, legitimate, establishable
6 Syllables
representational, unexaggerated
7 Syllables
nondiscriminatory