Synonyms of legitimately

1 Syllable
well
2 Syllables
staunchly, really, piously, justly, fitly, rightly, frankly, truly, duly
3 Syllables
righteously, virtuously, verily, correctly, equally, candidly, honestly, benignly, duteously, helpfully, nicely, lawfully, licitly, properly, fittingly, legally, decently, uprightly, rightfully
4 Syllables
equitably, confirmedly, respectably, impartially, befittingly, reasonably, charitably, dutifully, tolerantly, admittedly, allowably, enforcibly, permissibly, ethically, conscientiously, straightforwardly, honorably, deservedly, decorously
5 Syllables
accurately, beneficently, benevolently, evenhandedly, temperately, unreservedly, juridically, authentically, moderately