Yes, ideal is a Scrabble word!

Adjective

1. Conforming to an ultimate standard of perfection or excellence; embodying an ideal

2. Constituting or existing only in the form of an idea or mental image or conception

3. Of or relating to the philosophical doctrine of the reality of ideas

Noun

1. The idea of something that is perfect; something that one hopes to attain

2. Model of excellence or perfection of a kind; one having no equal