"Tonight" is "esta noche". "Tonight is Spanish" would be "esta noche es español".
It could mean 'Let's suppose we meet tonight' or, if it's actually 'quedamos' (one word); 'Let's agree we meet tonight'.
Tonight is neither - it is a whole word.
Esta noche, bailamos.
hagámoslo esta noche
No vienes esta noche. (you do not come tonight) No vas a venir esta noche. (You are not going to come tonight) No vendrás esta noche. (You will not come tonight) All of these could be interpreted as "you are not coming tonight".
Tonight my family is going to go miniature golfing
The word for tonight in Greek is απόψε. (Apopse - pronounced: Ah-POPE-say)
¡Diviértete esta noche!
¿Qué has planeado para esta noche?
¿Cómo está tu español ésta noche?
"Sleep with me tonight."