adjective Capable of producing something, especially in abundance; fertile.
adjective Yielding good or useful results; constructive.
adjective Of, or relating to the creation of goods or services.
adjective Consistently applicable to any of an open set of words.
adjective Of a cough, producing mucus or sputum from the respiratory tract.
adjective Of inflammation, producing new tissue.
adjective A type of set of natural numbers, related to mathematical logic; a set S is productive if there exists a total recursive function f such that ∀x∈ℕ,Wx⊆S⇒f(x)∈A∖Wx, where Wx is a recursive function whose Gödel number is x.