1. (n.) That which is due; payment.

2. (n.) That which a person is bound by moral obligation to do, or refrain from doing; that which one ought to do; service morally obligatory.

3. (n.) Hence, any assigned service or business; as, the duties of a policeman, or a soldier; to be on duty.

4. (n.) Specifically, obedience or submission due to parents and superiors.

5. (n.) Respect; reverence; regard; act of respect; homage.

6. (n.) The efficiency of an engine, especially a steam pumping engine, as measured by work done by a certain quantity of fuel; usually, the number of pounds of water lifted one foot by one bushel of coal (94 lbs. old standard), or by 1 cwt. (112 lbs., England, or 100 lbs., United States).

7. (n.) Tax, toll, impost, or customs; excise; any sum of money required by government to be paid on the importation, exportation, or consumption of goods.

Mass VAT accountability active service ad valorem duty admiration adoration alcohol tax allegiance amenability amusement tax answerability apotheosis appreciation approbation approval assessment assessment on default assignment awe bedtime prayer bit blackmail breathless adoration burden business busywork call call for calling camp meeting capacity capital gains tax capitation capitation tax cargo ceremonial ceremony cess character chare charge chore church church service claim commission commitment committal compline conscience money consideration contribution corporation tax courtesy customs customs duty deadweight death duty death tax deference deification demand demand for devoir devotions direct tax divine service doomage draft drain end use errand estate duty estate tax esteem estimation evening devotions evensong exaction exaggerated respect excess profits tax excise excise tax exercise exercises export tax extortion extortionate demand faithfulness favor fealty federal tax fidelity fish to fry form form of worship formality formula formulary freight function gabelle gift tax goal graduated taxation great respect head tax heavy demand hero worship high regard holy rite homage homework honor idolatry idolization immediate purpose import tax imposition impost income tax indent indirect tax inheritance tax insistent demand institution internal revenue tax job job of work joint return labor land tax lauds levy liability liquor tax liturgy load local tax loyalty luxury tax make-work mark matins matters in hand meeting millstone mission mode of worship morning devotions must mystery national service need night song none nones nonnegotiable demand notice novena nuisance tax object objective obligation observance occupation odd job office onus operation operational purpose order order of worship ordinance ought part personal property tax piece of work place poll poll tax position practice praise meeting prayer prayer meeting prayers prescribed form prestige prime prime song progressive tax project property tax property-increment tax protective tariff province provincial tax public worship purpose rates regard requirement requisition respect responsibility revenue tariff reverence reverential regard revival revival meeting right rite ritual ritual observance rituality role rush rush order sacrament sacramental sales tax salt tax school tax selective service separate returns service severance tax sext single tax solemnity specific duty state tax stint supertax surtax target tariff tariff duty task tax tax base tax dodging tax evasion tax exemption tax return tax structure tax withholding tax-exempt status taxable income taxation taxing telephone tax