Meaning of PREDICATE in English

I. pred ‧ i ‧ cate 1 /ˈpredɪkət, ˈpredɪkɪt/ BrE AmE noun [countable]

technical the part of a sentence that makes a statement about the subject, such as ‘swim’ in ‘Fish swim’ and ‘is an artist’ in ‘She is an artist’ ⇨ subject

II. pred ‧ i ‧ cate 2 /ˈpredəkeɪt, ˈpredɪkeɪt/ BrE AmE verb

[ Date: 1500-1600 ; Language: Late Latin ; Origin: past participle of praedicare ; ⇨ ↑ preach ]

be predicated on/upon something formal if an action or event is predicated on a belief or situation, it is based on it or depends on it:

The company’s expansion was predicated on the assumption that sales would rise.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.