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

[Science of morals] ethics, ethology.; deontology † , aretology † ; moral philosophy,
ethical philosophy; casuistry, polity.
observance, fulfillment, discharge, performance, acquittal, satisfaction, redemption;
good behavior.
V. be the duty of; be incumbent &c adj.. on, be responsible &c adj.; behoove, become,
befit, beseem; belong to, pertain to; fall to one's lot; devolve on; lie upon, lie on one's
head, lie at one's door; rest with, rest on the shoulders of.
take upon oneself &c (promise) 768; be bound to, become bound to, be sponsor for,
become sponsor for; incur a responsibility &c n.; be under an obligation, stand under an
obligation, lie under an obligation; have to answer for, owe to it oneself.
impose a duty, &c n.; enjoin, require, exact; bind, bind over; saddle with, prescribe,
assign, call upon, look to, oblige.
enter upon a duty, perform a duty, observe a duty, fulfill a duty, discharge a duty,
adhere to a duty, acquit oneself of a duty, satisfy a duty, enter upon an obligation,
perform an obligation, observe an obligation, fulfill an obligation, discharge an
obligation, adhere to an obligation, acquit oneself of an obligation, satisfy an obligation;
act one's part, redeem one's pledge, do justice to, be at one's post; do duty; do one's duty
&c (be virtuous) 944.
be on one's good behavior, mind one's P's and Q's.
Adj. obligatory, binding; imperative, peremptory; stringent &c (severe) 739; behooving
&c v.; incumbent on, chargeable on; under obligation; obliged by, bound by, tied by;
saddled with.
due to, beholden to, bound to, indebted to; tied down; compromised &c (promised)
768; in duty bound.
amenable, liable, accountable, responsible, answerable.
right, meet &c (due) 924; moral, ethical, casuistical, conscientious, ethological.
Adv. with a safe conscience, as in duty, bound, on one's own responsibility, at one's own
risk, suo periculo [Lat.]; in foro conscientiae [Lat.]; quamdiu se bene gesserit [Lat.].
Phr. dura lex sed lex [Lat.]; dulce et decorum est pro patria mori [Lat.]; honos habet
onus [Lat.]; leve fit quod bene fertur onus [Lat.] [Ovid]; loyaute m'oblige [Fr.]; simple
duty bath no place for fear [Whittier]; stern daughter of the voice of God [Wordsworth];
there is a higher law than the Constitution [Wm.
Seward].
927. Dereliction of Duty -- N. dereliction of duty; fault &c (guilt) 947; sin &c (vice) 945;
non-observance, non-performance; neglect, relaxation, infraction, violation,
transgression, failure, evasion; dead letter.
V. violate; break, break through; infringe; set aside, set at naught; encroach upon, trench
upon; trample on, trample under foot; slight, neglect, evade, renounce, forswear,
repudiate; wash one's hands of; escape, transgress, fail.
call to account &c (disapprobation) 932.
927a. Exemption -- N. exemption, freedom, irresponsibility, immunity, liberty, license,
release, exoneration, excuse, dispensation, absolution, franchise, renunciation, discharge;
exculpation &c 970.