sincerely
1. [ adverb ] with sincerity; without pretense
Synonyms: unfeignedly truly
Examples:

"she praised him sincerely for his victory" "was unfeignedly glad to see his old teacher" "we are truly sorry for the inconvenience"

Related terms: insincerely sincere genuine genuine genuine
2. [ adverb ] written formula for ending a letter
Synonyms: sincerely_yours
Similar spelling:   sincere
  sincerity
  sinker
  singer
  Simser