presumptive
🇺🇸
/prɪˈzʌmptɪv/
🇬🇧
/prɪˈzʌmptɪv/
Believed to be true, but not yet proven.
The doctor made a presumptive diagnosis before getting the test results.
Thought to be true unless proven otherwise.
The presumptive nominee was chosen before the final vote.