All 4 Uses

tentative
in
The ABC Murders
(Auto-generated)

the race-meeting undoubtedly complicated the plans we had made tentatively beforehand.
Chpt 21 *

tentatively = with an expectation that there might be changes
Again, tentatively, he felt his coat sleeve.
Chpt 25 *

tentatively = in an unsure or hesitant manner
No. I'm going to"—he hesitated for a minute or two—"Cheltenham—" There was something so peculiar about the tentative way he said the word that Mrs. Marbury looked at him in surprise.†
Chpt 22
He touched it tentatively-wet and red-blood ......His hand dipped into his pocket and brought out something-a long, slender knife.†
Chpt 25

Definitions:

(1) (tentative as in: said it tentatively)
done in a careful or unsure way (indicating a lack of confidence in exactly what will happen)
(2) (tentative as in: a tentative plan)
subject to change (likely or possibly going to change)
(3) (meaning too rare to warrant focus)