maintenance - noun

activity involved in maintaining something in good working order

means of maintenance of a family or group

court-ordered support paid by one spouse to another after they are separated

the act of sustaining life by food or providing a means of subsistence

the unauthorized interference in a legal action by a person having no interest in it (as by helping one party with money or otherwise to continue the action) so as to obstruct justice or promote unnecessary litigation or unsettle the peace of the community

maintenance - thesaurus

alimony   care   sustainment   sustenance   sustentation   upkeep