adj.
I didn't grasp the meaning of that enigmatic comment until much later
prophetic texts so enigmatic that their meaning has been disputed for centuries
sent confusing signals to Iraq
perplexing to someone who knew nothing about it
a puzzling statement
n.
he loved to solve chessmate puzzles
that's a real puzzler
v.
This beats me!
Got me--I don't know the answer!
a vexing problem
This question really stuck me
We puzzled over her sudden departure