cogently
The book is a striking and cogently argued indictment of global capitalism.
He concludes with a passionate and cogently argued case for the complete abolition of nuclear weapons.
She argued most cogently for a relaxation of the sanctions.她颇有说服力地主张放松制裁。

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