ROGET'S THESAURUS OF ENGLISH WORDS AND PHRASES ...

privileged, allowed, sanctioned, warranted, authorized; ordained, prescribed,
constitutional, chartered, enfranchised.
prescriptive, presumptive; absolute, indefeasible; unalienable, inalienable;
imprescriptible † , inviolable, unimpeachable, unchallenged; sacrosanct.
due to, merited, deserved, condign, richly deserved.
allowable &c (permitted) 760; lawful, licit, legitimate, legal; legalized &c (law) 963.
square, unexceptionable, right; equitable &c 922; due, en r gle; fit, fitting; correct,
proper, meet, befitting, becoming, seemly; decorous; creditable, up to the mark, right as a
trivet; just the thing, quite the thing; selon les r gles [Fr.].
Adv. duly, ex officio, de jure [Lat.]; by right, by divine right; jure divino [Lat.], Dei
gratia [Lat.], in the name of.
Phr. civis Romanus sum [Lat.] [Cicero]; +a chaque saint sa chandelle [Fr.].
925. [Absence of right.] Undueness -- N. undueness &c adj.; malum prohibitum [Lat.];
impropriety; illegality &c 964.
falseness &c adj.; emptiness of title, invalidity of title; illegitimacy.
loss of right, disfranchisement, forfeiture.
usurpation, tort, violation, breach, encroachment, presumption, assumption, seizure;
stretch, exaction, imposition, lion's share.
usurper, pretender.
V. be undue &c adj.; not be due &c 924.
infringe, encroach, trench on, exact; arrogate, arrogate to oneself; give an inch and
take an ell; stretch a point, strain a point; usurp, violate, do violence to.
disfranchise, disentitle, disqualify; invalidate.
relax &c (be lax) 738; misbehave &c (vice) 945; misbecome † .
Adj. undue; unlawful &c (illegal) 964; unconstitutional; illicit; unauthorized,
unwarranted, disallowed, unallowed † , unsanctioned, unjustified; unentitled † , disentitled,
unqualified, disqualified; unprivileged, unchartered.
illegitimate, bastard, spurious, supposititious, false; usurped.
tortious [Law].
undeserved, unmerited, unearned; unfulfilled.
forfeited, disfranchised.
improper; unmeet, unfit, unbefitting, unseemly; unbecoming, misbecoming † ;
seemless † ; contra bonos mores [Lat.]; not the thing, out of the question, not to be thought
of; preposterous, pretentious, would-be.
Phr. filius nullius.
926. Duty -- N. duty, what ought to be done, moral obligation, accountableness † , liability,
onus, responsibility; bounden duty, imperative duty; call, call of duty; accountability.
allegiance, fealty, tie engagement &c (promise) 768; part; function, calling &c
(business) 625.
morality, morals, decalogue; case of conscience; conscientiousness &c (probity) 939;
conscience, inward monitor, still small voice within, sense of duty, tender conscience,
superego; the hell within [Paradise Lost].
dueness &c 924; propriety, fitness, seemliness, amenability, decorum, to prepon; the
thing, the proper thing; the right thing to do, the proper thing to do.