What is the meaning of come to?

verb

• Cause to experience suddenly.
  • usage: "Panic struck me"; "An interesting idea hit her"; "A thought came to me"; "The thought struck terror in our minds"; "They were struck with fear"
  • synonyms: hit, strike
• Be relevant to.
  • usage: "There were lots of questions referring to her talk"; "My remark pertained to your earlier comments"
  • synonyms: refer, pertain, relate, concern, bear on, touch, touch on, have-to doe with
• Attain.
  • usage: "The horse finally struck a pace"
  • synonyms: strike
• Return to consciousness.
  • usage: "The patient came to quickly"; "She revived after the doctor gave her an injection"
  • synonyms: revive, resuscitate