Does a 5 year old say "suitable"?

Today Sydney was chattering along, planning some sort of party called a spring festival. She is telling me who will be invited, what kind of food there will be, what kind of presents there will be, etc. Then she informs me that this will take place at Nana and Papa's house because it is more "suitable". So I ask her why their house is more suitable, wondering if she really knows what suitable means, and she says because it is bigger, and has more flowers so it really is more suitable for a spring festival. Okay.