terraform

[ ter-uh-fawrm ]
/ ˈtɛr əˌfɔrm /

verb (used with object)

to alter the environment of (a celestial body) in order to make capable of supporting terrestrial life forms.

Origin of terraform

1975–80; terra + form; perhaps taken as v. use of an adj. with -form as second element

British Dictionary definitions for terraforming

terraforming
/ (ˈtɛrəˌfɔːmɪŋ) /

noun

planetary engineering designed to enhance the capacity of an extraterrestrial planetary environment to sustain life

Word Origin for terraforming

C20: from Latin terra earth + forming