the act of putting to a special use or purpose

the application of common sense to a problem.

the special use or purpose to which something is put

a technology having numerous applications never thought of by its inventors.

the quality of being usable for a particular purpose or in a special way; relevance

This has no application to the case.

the act of requesting.

a written or spoken request or appeal for employment, admission, help, funds, etc.

to file an application for admission to a university.

a form to be filled out by an applicant, as for a job or a driver's license.

close attention; persistent effort

Application to one's studies is necessary.

an act or instance of spreading on, rubbing in, or bringing into contact

the application of a compress to a wound; a second application of varnish.

a salve, ointment, or the like, applied as a soothing or healing agent.

Computers .

a type of job or problem that lends itself to processing or solution by computer

Inventory control is a common business application.

application program .

noun

appliance , appositeness , employment , exercise , exercising , function , germaneness , operation , pertinence , play , practice , purpose , relevance , usance , utilization , value , appeal , blank , claim , demand , draft , entreaty , form , inquiry , letter , paper , petition , requisition , solicitation , suit , assiduity , attention , attentiveness , busyness , commitment , concentration , consideration , dedication , deliberation , diligence , effort , industry , perseverance , study , zeal , administering , administration , applying , creaming , dosing , oiling , rubbing , treatment , exertion , implementation , usage , use , service , dispensation , applicability , bearing , concernment , materiality , pertinency , relevancy , assiduousness , industriousness , sedulousness , debate , persistency , request