As a Noun:
1. The desire to do something very much or the display of the feeling of being excited about doing something or liking something very much. English = eagerness, enthusiasm, zeal.
2. Great enthusiasm, especially in connection to work, religion or politics. English = zeal.
3. The feeling of looking forward to some pleasant or exciting event. English = anticipation.
4. The eagerness, desire and intention to do something. English = motivation.
5. Something that encourages you to do something. English = incentive.
As a Verb or Adjective:
1. To want to do something very much or like it very much, and show this in an excited way. English = (be) eager, (be) keen, (be) enthusiastic.
2. To look forward to something pleasant or exciting happening with pleasure. English = anticipate.
3. To have the desire and willingness to do something; to make other people want to do something. English = (be) motivated; motivate.
Interactive:
1. Used alone to tell your addressee or addressees how excited you are to be about to do something. English = 'Yummy!', 'Let's go!', 'Good!', 'Great!'