explicate
"I found it in the kitchen", he added explicatively.
He presents the problem explicatively at the start of the book.
I will try to state the details more explicatively.
Her hypothesis is explicatively strong, and clearly presented.
They use their knowledge explicatively for problem solving in groups.

SMART Vocabulary: related words and phrases

Defining & explaining
account (to someone) for something
accountability
adumbrate
adumbration
annotation
annotator
belabour
demythologize
disabuse
extenuate
indescribably
inexpressibly
justificatory
lay something out
limn
outline
sketch
spell
trace
what is he, are they, etc. like?idiom