moreover
adv.used to add more information that supports what you just said. It shows that the next point is even more important or convincing.
adv.used to introduce a further piece of information that supports or reinforces a previous statement. Functions as a conjunctive adverb to add weight to an argument.
“The house is beautiful; moreover, it is very affordable.”
“The new policy will reduce carbon emissions; moreover, it will create thousands of green energy jobs.”
“The evidence suggests that the defendant lacked a clear motive; moreover, the forensic data indicates he was not present at the scene during the time in question.”
Typically used at the start of a sentence or clause to transition between ideas. Often preceded by a semicolon when connecting two independent clauses within a single sentence.
Moreover is a conjunctive adverb, not a coordinating conjunction like 'and'; it requires a semicolon or a period to separate independent clauses.
Inherited from Middle English moreover, moreovere, morover, mooreover, more-overe, mare over, equivalent to more + over.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.