ACROSS

  1 Polite, palindromic title

  6 Rummikub or Scrabble piece

 10 "Now I know my ___ ..."

 14 It's not quite a free ride

 16 Jocasta, e.g., in "Oedipus Rex"

 17 New Year's Day event

 18 ___ angel (winter creation)

 19 Sprouted up

 20 Like eccentric humor

 21 Some swine

 22 See 56-Across

 23 Ivy near Drexel

 24 Summer camp fleet

 26 Extinct mammal that had large tusks

 28 Fawn's mother

 29 Commotions

 31 Zesty taste

 32 Relentless grind

 33 Embellish a story, say

 37 Harper or Spike

 38 Soothing stuff

 39 Purina alternative

 40 Belcalis Marlenis Almanzar, ___ Cardi B

 41 New Year's Day event

 44 Mainly nocturnal marsupial

 46 A wedge of it may be served with 47-Across

 47 Vietnamese soup

 50 Twinkling thing

 51 Zippo

 52 Word before "play" or "trade"

 53 (That was close!)

 54 Sci-fi author who helped inspire steampunk

 56 With 22-Across, cul-de-sac feature

 57 Parting phrase in Panama

 58 Military force

 59 "I've ___ had!"

 60 Private eye's jobs

DOWN

  1 Join the freeway

  2 Sort of squash

  3 Gave medicine to

  4 From square one

  5 Wipe (up)

  6 Napoleon in "Animal Farm," e.g.

  7 Supposed Washington quote

  8 Title for a countess

  9 Before, to Shakespeare

 10 Pyromaniac's crime

 11 Salsa ingredient?

 12 "Everything must go!" events

 13 Stitch

 15 Puzzles for rats

 21 When something is up in the air?

 23 Where bow ties areon display

 24 Ice cream holder

 25 Rogen of "The Interview"

 26 A Stooge

 27 "Well, lah-di-___!"

 29 Passed up pork, say

 30 Perfect squad

 33 Side made with cabbage

 34 Lump in Devonshire cream

 35 "By what metric?"

 36 Singer Carly ___ Jepsen

 42 Hotel Bible provider

 43 Build up

 45 Like indecent humor

 47 European capital where "Amelie" is set

 48 Door joint

 49 Cookies in a dirt cake

 51 Ready to skinny-dip

 52 Disaster relief org.

 53 Kissing at the park, e.g., briefly

 54 Unkind remark

 55 Rug cleaner, informally