colossalize
/kəˈlɒsəlʌɪz/ /kəˈlɒs(ə)lʌɪz/(also colossalise)
verb
[with object] To render colossal; to increase greatly in size, degree, or importance.
Origin
Early 19th century; earliest use found in William Taylor (1765–1836), reviewer and translator. From colossal + -ize.