connective

adj

1. (not-comparable)Serving or tending to connect; connecting.

   “Society is doomed to an ignominious death as soon as the connective tissue of institutions and the ossified material of officialdom with its rank growth of unyielding red tape and formalism begin to spread, choking, and strangling the free, personal life of the individual.”

noun

1. That which connects.
2. A function that operates on truth values to give another truth value.

   “Condition iii) ensures that the truth-rules for the sentential connectives and quantifiers are satisfied within one and the same valuation νₛ.”

3. A word used to connect words, clauses and sentences, most commonly applied to conjunctions.
4. The tissue which connects the locules of an anthers together.
5. A connective tissue.