a. 详尽的, 精心制作的, 煞费苦心的

Elaborative \E*lab"o*ra*tive\, a.
Serving or tending to elaborate; constructing with labor and
minute attention to details.

{Elaborative faculty} (Metaph.), the intellectual power of
discerning relations and of viewing objects by means of,
or in, relations; the discursive faculty; thought.