facultatif înseamnă în Engleză

optional▼◼◼◼(not compulsory)
adjective
[UK: ˈɒp.ʃnəl] [US: ˈɑːp.ʃə.nəl]It isn't optional. = Cela n'a rien de facultatif.

facultative▼◼◼◻(not obligate; optional)
adjective
[UK: ˈfæk.əl.ˌte.tɪv] [US: ˈfæk.əl.ˌte.tɪv]

elective▼◼◼◻(optional or discretionary)
adjective
[UK: ɪ.ˈlek.tɪv] [US: ə.ˈlek.tɪv]

dispensable▼(able to be done without; able to be expended; easily replaced)
adjective
[UK: dɪ.ˈspen.səb.l̩] [US: ˌdɪ.ˈspen.səb.l̩]

expendable▼(not essential or mandatory)
adjective
[UK: ɪk.ˈspen.dəb.l̩] [US: ɪk.ˈspen.dəb.l̩]