The antonym for tentatively is certainly, surely & definitely.
I found this on Thesaurus.com. Its a good website for to look up on meanings, antonym, synonym & more.
I'd tentatively suggest objectification.
Based upon my somewhat limited information, I can only answer your question tentatively. The meeting has been tentatively scheduled for this Friday at 10:00 a.m.
A antonym for the word paranoia would be confidence.
An antonym for the word latent would be active.
An antonym is a word that means the opposite of another word. An antonym for "accidental" would be "intentional."
The opening of the store was tentatively scheduled for late August.
The antonym (opposite) of the word fantasy would be reality, or truth.
You have tentatively been selected to play the part of the third tree, or at least the rock.
No. Tentatively is an adverb formed from the adjective tentative by adding -ly.
An antonym for the word autocrat would be.. peasant, slave, etc.
An antonym for the word 'lively' would be 'gloomy'.
An antonym for the word 'wealthy' would be 'poor'.