Definitions:

1. to add a buffer to a solution verb
   • I buffered the saline solution so it would not burn my eyes.
2. to protect from impact verb
   • I buffered the child from the effects of their parents' gambling.

Synonyms:

• buff
• buffer storage
• buffer store
• buffer zone
• cowcatcher
• cushion
• fender
• pilot
• polisher
• soften