perked_up
1. [ adjective ] made or become more cheerful or lively
Examples:

"his attention made her feel all perked up"

Related terms: enlivened
2. [ adjective ] (especially of ears) quickly lifted up or out in attention; `perched' is obsolete
Synonyms: perched perked
Examples:

"a dog with perked ears"

Related terms: alert
Similar spelling:   perked
  peruked