saber - to know, to know how to + infinitive (preterite: to find out)
saborear - to enjoy
saciar - to satiate
salar - to salt, to season with salt
saldar - to sell off (productos), to settle (cuenta), to pay off (deuda)
salivar - to salivate
salpicar - to sprinkle, to spray
saltear - to sauté
sanar - to heal
sancionar - to sanction, to authorize, to punish
sanear - to reorganize
santificar - to sanctify
santiguar - to bless, to make the sign of the cross over
saquear - to pillage, to loot, to sack
