magnify
mag-ni-fy
verb
To make an object appear larger than its actual size, often using a lens.
"A microscope can magnify tiny cells."
verb
To make something seem more important or serious than it truly is.
"Don't magnify the small issue."
Thesaurus
Synonyms: amplify, blow up, enlarge, hyperbolize, overdraw, overstate, hyperbolise, exaggerate
Antonyms: downplay, minimise, minimize, reduce, scale down, understate