The right and power to command, decide, rule, or judge
The right or chance to express an opinion or participate in a decision
If you don't want me to use the pool, just say so.
If you want out, just say so.
It was no surprise that Julia thought so, but it hurt to have Rachel say so.
Why didn't you just say so in the first place?
If you don't want me to feed it, all you have to do is say so.