Meaning of the word presumptive in English

What does presumptive mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

presumptive

US /prɪˈzʌmp.tɪv/
UK /prɪˈzʌmp.tɪv/

Adjective

based on probability or presumption; assumed to be true until proven otherwise

Example:
The presumptive nominee for president will be announced next week.
He is the presumptive heir to the throne.