Crossword Puzzle The act of felicitating

Clue: The act of felicitating

Post office activity, or a hint to this puzzle's theme (LETTERSORTING with 13 letters)
Theater-Hall-of-Fame actress (CLAIR with 5 letters)
Theater offering (e.g. DRAMA with 5 letters)
Theater offering, sometimes (DRAMA with 5 letters)
Theater offerings (e.g. DRAMAS with 6 letters)
Theater's ___'acte (ENTR with 4 letters)
Movie theater offering (FEATUREFILM with 11 letters)
Actress for whom a theater was named (HAYES with 5 letters)
Theater box office choice (BALCONYSEAT with 11 letters)
Actionable offence (TORT with 4 letters)