The meaning of the Acronym SA is...

SA is

• Sibling Alert
• Smart Ass

More Meanings For SA:

• Set Access
• Shift Amount
• Sort Address
• Starting Address
• Set Attribute
• Shutdown Acknowledged
• Service Agent
• Stand Alone
• Scalable Architecture
• Socket A
• Security Association
• System Administration
• Server Address
• Source Address
• Security Advisory

SA is also in:

• Assembly
• General
• Hardware
• Networking
• Security