adjective
definite
DEF-ih-nut/ˈdefɪnət/
Clearly specified rather than uncertain.
The calendar and clock show a definite meeting date and time.

Etymology
To bound something completely is to give it fixed limits. That image extends to a statement or outcome whose meaning is settled and clear rather than open or uncertain.
In context
what I can't give homeowners is a definite date to say on this date it will go live
More examples
- We need a definite answer before we book the tickets.
- The project has a definite deadline: June 15.
- The definite article “the” identifies a particular person or thing.
Forms
definite · more definite · most definite
definitely adverb — Without doubt or uncertainty; with certainty.
definiteness noun — The quality of being clear and specific.