substituir bedeutet auf Englisch

fill in▼(to substitute for somebody or something)
verb
[UK: fɪl ɪn] [US: ˈfɪl ɪn]

stand in for▼(replace)
verb

step in▼(To act as a replacement or substitute.)
verb
[UK: step ɪn] [US: ˈstep ɪn]

substitute [substituted, substituting, substitutes]▼(to use in place of something else)
verb
[UK: ˈsʌb.stɪ.tjuːt] [US: ˈsʌb.stə.ˌtuːt]The old cobbles in the streets have gradually been substituted by asphalt in all cities. = Los antiguos adoquines de la calle han sido substituidos paulatinamente por asfalto en todas las ciudades.

supersede [superseded, superseding, supersedes]▼(take the place of)
verb
[UK: ˌsuː.pə.ˈsiːd] [US: ˌsuː.pər.ˈsiːd]