enrich

verbs

make better or improve in quality
"The experience enriched her understanding"; "enriched foods"
is derived from
antonym
is a type of (narrower)
to make better
"The editor improved the manuscript with his changes"
make wealthy or richer
"the oil boom enriched a lot of local people"
is derived from
antonym
is a type of (narrower)
make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
"We added two students to that dorm room"; "She added a personal note to her letter"; "Add insult to injury"; "Add some extra plates to the dinner table"