duty, responsibility, obligation (noun)
the social force that binds you to the courses of action demanded by that force
"we must instill a sense of duty in our children"; "every right implies a responsibility; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr
work that you are obliged to perform for moral or legal reasons
"the duties of the job"
duty, tariff (noun)
a government tax on imports or exports
"they signed a treaty to lower duties on trade between their countries"
a fee levied for the use of roads or bridges (used for maintenance)
price, cost, toll (noun)
value measured by what must be given or done or undergone to obtain something
"the cost in human life was enormous"; "the price of success is hard work"; "what price glory?"
bell, toll (verb)
the sound of a bell being struck
"saved by the bell"; "she heard the distant toll of church bells"
"For whom the bell tolls"
charge a fee for using
"Toll the bridges into New York City"
customs, customs duty, custom, impost (noun)
money collected under a tariff