What does "i know" mean?

A response used to indicate that speaker was in agreement with the preceding statement before it was made.

I know

phrase

phrase ·Rare ·Advanced level

Phrase

1
A response used to indicate that speaker was in agreement with the preceding statement before it was made.
2
An emphatic assertion that one has a solution, an answer, or an idea.
"Near-synonym: eureka"

"- What are we going to do with this leaky hosepipe? - I know: let's use it as a garden sprinkler!"