coalesce
verb
[ ˌkəʊəˈlɛs ]
• come together to form one mass or whole.
• "the puddles had coalesced into shallow streams"
Similar:
unite,
join together,
combine,
merge,
fuse,
mingle,
meld,
blend,
intermingle,
knit (together),
amalgamate,
consolidate,
integrate,
affiliate,
link up,
homogenize,
synthesize,
converge,
commingle,
commix,
Origin:
mid 16th century: from Latin coalescere ‘grow together’, from co- (from cum ‘with’) + alescere ‘grow up’ (from alere ‘nourish’).