Deg. for a thespian, 3 letters
English orthodontist's org., 3 letters
1924 swashbuckler The Thief of ___, 4 letters
1987 Barnes & Noble acquisition, 7 letters
Barnes & Noble acquired it in 1987, 7 letters
Book chain owned by Barnes & Noble, 7 letters
Bookstore chain Barnes & Noble bought, 7 letters
Chain owned by Barnes & Noble, 7 letters
Former bookstore name, 7 letters
Retail division of Barnes & Noble, 7 letters
Waldenbooks alternative, 7 letters
Waldenbooks competitor, 7 letters
Annual celebration, for short, 4 letters
Brief cause for celebration, and this puzzle's title, 4 letters
Cake time, for short, 4 letters
Card type, for short, 4 letters
Celebration of age, for short, 4 letters
Celebration time, for short, 4 letters
Driver's license info, 4 letters
Gift-giving occasion, for short, 4 letters
Greeting card type, briefly, 4 letters
Jan. 15, for Martin Luther King Jr., 4 letters
Kids' party occasion, briefly, 4 letters
Kids' party occasion, for short, 4 letters
Occasion for sending an ecard, maybe, 4 letters
Present time, briefly, 4 letters
Present time, for short, 4 letters
Time for a party, in brief, 4 letters
Yearly celebration, briefly, 4 letters
Cake-and-ice-cream occasions, for short, 5 letters
Times to blow out candles, slangily, 5 letters
Times to give gifts, briefly, 5 letters
It's neat to make this, 3 letters
Intellectually primitive / Lend support to, 9 letters
Started up, as a computer, 6 letters
Snake-like, in a way, 6 letters
Certain chord, in mus., 4 letters
Roof shingles unit: Abbr., 4 letters
Rock song with the lyric A big-legged woman ain't got no soul, 4 letters
Style of dress and pajamas, 5 letters
Tryster's escape route, maybe, 5 letters
Abbr. in a real estate ad, 4 letters
Abbr. in the real estate section, 4 letters
Apt. classified unit, 4 letters
Apt.'s master, e.g., 4 letters
Classified ad abbr., 4 letters
Place to sleep in an apt., 4 letters
Real estate ad abbr., 4 letters
Real-estate listing abbr., 4 letters
Real-estate ad abbr., 5 letters
Alternatives to stocks: abbr., 3 letters
NLRB and NTSB, e.g., 3 letters
Some directors sit on them: Abbr., 3 letters
Some securities: abbr., 3 letters