Webster's 1828 Dictionary
DISCRETIVE
a.[See Discreet and Discrete. ] 1. Disjunctive; noting separation or opposition. In logic, a discretive proposition expresses some distinction, opposition or variety, by means of but, though, yet, etc. ; as, travelers change their climate, but not their temper; Job was patient, though his grief was great.
2. In grammar, discretive distinctions are such as imply opposition or difference; as, not a man, but a beast.
3. Separate; distinct.
DISCRETIVELY
adv. In a discretive manner.
Webster's 1913 Dictionary
DISCRETIVE
Dis *cre "tive, a. Etym: [L. discretivus. See Discrete. ]
Defn: Marking distinction or separation; disjunctive. Discretive proposition (Logic & Gram. ), one that expresses distinction, opposition, or variety, by means of discretive particles, as but, though, yet, etc. ; as, travelers change their climate, but not their temper.
DISCRETIVELY
DISCRETIVELY Dis *cre "tive *ly, adv.
Defn: In a discretive manner.