#1 expand v. [spread out] extend in one or more directions; "The dough expands". wn
#2 expand v. become larger in size or volume or quantity; "his business expanded rapidly". wn
#3 expand v. make bigger or wider in size, volume, or quantity; "expand the house by adding another wing". wn
#4 expand v. [boom, thrive, flourish] grow vigorously; "The deer population in this town is thriving"; "business is booming". wn
#5 expand v. [inflate, blow up, amplify] exaggerate or make bigger; "The charges were inflated". wn
vizzz