adj. Pertaining to, or governed by, a conjunction.
the GNU version of the Collaborative International Dictionary of English
adj. Relating to a conjunction.
The Century Dictionary and Cyclopedia
Pertaining to or of the nature of a conjunction: as, the conjunctional use of a word; a conjunctional term.
Word Usage
"The problem of fitting the relation between determinates and determinables into a purely “conjunctional” logic might be summarily described as the problem of justifying the inference from"