public class AliasService

{

    private Dictionary<string, string> _aliases;

    public Dictionary<string, string> Aliases

    {

        get { return _aliases; }

        set { _aliases = value; }

    }

    public string Evaluate(string term)

    {

        if (_aliases == null) return term;

        while (_aliases.ContainsKey(term))

        {

            term = _aliases[term];

        }

        return term;

    }

}

static void Main(string[] args)

{

    WindsorContainer container = new WindsorContainer(new XmlInterpreter());

    AliasService aliasService = container.Resolve<AliasService>();

    string sentence = "a dog ate my homework";

    foreach (string word in sentence.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries))

    {

        Console.Write("{0} ", aliasService.Evaluate(word));

    }

    Console.Read();

}

<configuration>

  <configSections>

    <section name="castle"

        type="Castle.Windsor.Configuration.AppDomain.CastleSectionHandler, Castle.Windsor" />

  </configSections>

  <castle>

    <components>

      <component id="aliases.service" type="IoC.Tutorials.Part3.AliasService, IoC.Tutorials.Part3">

        <parameters>

          <Aliases>

            <dictionary>

              <entry key="dog">duck</entry>

              <entry key="ate">broke</entry>

              <entry key="homework">code</entry>

            </dictionary>

          </Aliases>

        </parameters>

      </component>

    </components>

  </castle>

</configuration>