for
Intended benefitpreposition · With the purpose of supporting or benefiting someone or something.Reasonpreposition / conjunction · Because of something.Durationpreposition · Over a stated length of time.Exchangepreposition · In return for or instead of the specified thing.Destinationpreposition · Toward an intended destination.Suitabilitypreposition · Suited to a particular person or situation.Referencepreposition · With regard to a specified thing.