pu·ta·tive 
/ˈpju:tətɪv/ adjective
always used before a noun /ˈpju:tətɪv/ adjective formal : generally believed to be something
▪ a putative expert ▪ the child's putative father [=the man who is believed to be the child's father]
▪ a putative expert ▪ the child's putative father [=the man who is believed to be the child's father]
— pu·ta·tive·ly adverb
