ETYMOLOGY
from Latin locupletare (to enrich, to make wealthy),
from locuples (rich, wealthy) + –ive
EXAMPLE
“…Veracious or mendacious, those distinctions are alike applicable to it; testimony self-regarding or extra-regarding: in both cases, servitive or disservitive: if disservitive, criminative or simply onerative: if servitive, exculpative, exonerative, or locupletative…”
From: Rationale of Judicial Evidence:
Specially Applied to English Practice
– Jeremy Bentham, 1827
Lexicophilia 