Synonyms of old-line

1 Syllable
right, pious, straight, sound, true
2 Syllables
correct, die-hard, devout, rightful, square, tory, standpat, standard, proper, bourgeois
3 Syllables
religious, conformist, orthodox, received, punctilious, sanctioned, middleclass, approved, official, admitted, doctrinal
4 Syllables
customary, acknowledged, reactionaries, conventional, obscurantist, regressive, buttoned-down, reactionary, established, recognized, canonical
5 Syllables
well-established, legitimate, conservative, unreconstructed
6 Syllables
authoritative, traditionalistic
8 Syllables
counterrevolutionary