Yes, large is a Scrabble word!

Adverb

1. At a distance, wide of something (as of a mark)

2. With the wind abaft the beam

3. In a boastful manner

Adjective

1. Above average in size or number or quantity or magnitude or extent

2. Fairly large or important in effect; influential

3. Ostentatiously lofty in style

4. Generous and understanding and tolerant

5. Conspicuous in position or importance

6. Having broad power and range and scope

7. In an advanced stage of pregnancy

Noun

1. A garment size for a large person