This is the 462nd most frequent Swedish word.
låta
"To let" or "to sound."
In this sentence, 'låta' is used to mean 'allow' or 'let' someone do something.
Jag vill låta mina barn spela i parken.
I want to let my children play in the park.
Here, 'låta' is used in its impersonal form to mean 'sound' as in to appear a certain way per auditory perception.
Det låter som en bra idé.
That sounds like a good idea.
In this case, 'låta' is utilized similarly to the first example, where it means to 'let' or 'permit' something to occur or stay in a certain state.