puzzle

ACROSS

  1 Practice hooks and jabs

  5 "Don't be so loud!"

  8 Dissertation defenses, usually

 13 Helper

 14 Second birthday gifts, often

 16 Lite, in a way

 17 Substandard sports residence?

 19 Good name for a professional mover?

 20 Slithery fish

 21 Name hidden in "macaroni and cheese"

 23 Baby horse

 24 Something to leap over

 27 Plentiful supply of a tavern drink?

 29 Exasperated parent's reiterated refusal

 31 Arteries from left ventricles

 32 Million: Prefix

 33 Snide grin

 36 Part of a union meeting in Santa's workshop?

 41 Battery end

 42 More than want

 45 Achieve

 49 Split up, like a group

 52 Paver's delivery vehicle?

 55 Edible Thanksgiving decorations

 56 Fail to mention

 57 Anger

 58 Head gesture

 59 Bellybutton

 61 Joint of concern to an orthopedist?

 66 Letter-shaped dress style

 67 Unruly child

 68 Currency that replaced the peseta

 69 Is ahead

 70 Wonder

 71 Doctor's order, maybe

DOWN

  1 Took a chair

  2 Pizza order

  3 Computing pioneer Lovelace

  4 Like college courses for the ill-prepared

  5 Pirated or pocketed

  6 Carpool lane abbr.

  7 "Laughing" beast

  8 Aged

  9 Worker who may be above doing some things

 10 Not sinking

 11 "I forgot the lyrics" syllables

 12 Art Deco and Gothic Revival

 15 Thin

 18 Kept in reserve

 22 Separately

 24 That fellow

 25 Utilize, to the unpretentious

 26 Anger

 28 Cunning Norse god

 30 Norwegian Nobel Institute's city

 34 ___ school (future dr.'s academy)

 35 Chilled or frosted

 37 Like a just ruling

 38 Boredom

 39 Within fiscal constraints

 40 At hand

 43 Finish

 44 Common deg. for an orthodontist

 45 Missing a key?

 46 Food wrapped in a corn husk

 47 Potential obstacle for a crossword solver

 48 Go to

 50 Set on fire

 51 With little delay

 53 Clawed crustacean

 54 Actress Knightley

 60 French for "the"

 62 What a bill may become

 63 Cry's partner

 64 U.S. tax agency

 65 Houseplant's home

solution