Yes, predicate is playable
...and is worth 16 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Predicate" Definition
noun
Grammar One of the two main constituents of a sentence or clause, modifying the subject and including the verb, objects, or phrases governed by the verb, as opened the door in Jane opened the door or is very sleepy in The child is very sleepy.
Logic That part of a proposition that is affirmed or denied about the subject. For example, in the proposition We are mortal, mortal is the predicate.
Something that is affirmed or denied of the subject in a proposition in logic.
A term designating a property or relation.
The part of a sentence or clause that expresses what is said of the subject and that usually consists of a verb with or without objects, complements, or adverbial modifiers.
verb-transitive
Logic To make (a term or expression) the predicate of a proposition.
To base or establish (a statement or action, for example): I predicated my argument on the facts.
To carry the connotation of; imply.
To proclaim or assert; declare.
To state or affirm as an attribute or quality of something: The sermon predicated the perfectibility of humankind.
verb-intransitive
To make a statement or assertion.
verb
To assert to be a quality, attribute, or property .
To make (a term) the predicate in a proposition.
adjective
Grammar Of or belonging to the predicate of a sentence or clause.
Stated or asserted; predicated.
Completing the meaning of a copula .
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