This is the 8688th most frequent Polish word.
randilee
It seems "randilee" is not a Polish word. It may be a typo or misspelling.
Randilee in this sentence is used as a noun referring to a date or meeting.
Spotkaliśmy się w kawiarni na randilee.
We met in the coffee shop for a randilee.
Here, randilee serves as a noun suggesting an event or activity that brings happiness.
Czasami randilee może poprawić nastrój.
Sometimes a randilee can improve one's mood.
Randilee in this instance is synonymous with an ideal or envisioned scenario of a meeting or outing.