Don’t be fooled by the cuteness.
At this time
In fact, depending on the context, these words could fit into any one of those three categories.
• If you honestly don’t know about a situation, it might be necessary to use one to give yourself some wiggle room and buy some time.
• If you are certain of the situation and you use one of those words, you are adding extra verbiage that serves no purpose. Cut out all deadwood.
• If your intent is to deceive and you use one of those words, you are being a word weasel. Avoid this.