Yes, paste is a Scrabble word!

Verb

1. Join or attach with or as if with glue

2. Hit with the fists

3. Cover the surface of

Noun

1. Any mixture of a soft and malleable consistency

2. A hard, brilliant lead glass that is used in making artificial jewelry

3. An adhesive made from water and flour or starch; used on paper and paperboard

4. A tasty mixture to be spread on bread or crackers or used in preparing other dishes