In the manner of a predicate; like a predicate.

adverb. As a predicate; giving information about the subject of a sentence.

adverb. occurring within the predicate phrase

"But whereas the full power set operation is iterated to obtain the cumulative hierarchy, the levels of the constructible hierarchy are defined strictly predicatively, that is by including at the next level only those sets which are first order definable using parameters from the previous level."