There are event you can predict on that even though it's not 💯 guaranteed that you're going to win, a level of certainty makes you think that you're surely going to win.
The downside of that feeling is that you might become over confident to use a big amount in the game since you're to a large extent certain that you're going to win.
Can we still say we are gambling if the event is something we are at least 90% sure that we are going to win?
Once it involves staking of money you can still refer it to be gambling and there is something you should have in your mind that gambling involves two major things which wining or losing, you should also understand that no sure games that is why it is advisable to gambling wisely because a game can only be sure when the games in the winning roll. So bear it in mind that there is know guarantee of sure games in any ways.