Skywriting [verb]

● Boost

● Promulgate

● Broadcast

● Tout

● Announce

● Advertise

● Trumpet

● Plug

● Advance

● Cry

● Immortalize

● Drum

● Headline

● Splash

● Bill

● Spot

● Extol

● Push

● Spread

● Pitch

● Hype

● Puff

● Propagandize

● Spotlight

● Build up

● Hard sell

● Play up

● Billboard

● Make a pitch for

● Press-agent

● Put on the map

● Soft-sell

● Write up

● Secret

● Keep secret

● Hide

● Conceal

● Skywriting

● Airplane

● Blimp

● Jet

● Airdock

● Zeppelin

● Airship

● Aerobatics

● Flight

● Neon

● Billboard

● Flying

● Sharpie

● Sky

● Acrostics

● Holographs

● Tickertape

● Whirlybirds

● Morse code

● Stencil

● Windsock

● Flaming

● Flyer

● Signage

● Postcard

● Daliesque

● Monoplanes

● Shazam

● Blue sky

● Fliers

● Mushroom cloud

● Banners

● Tacky

● Roulettes

● Spray paint

● Graffito

● Grease pencil

● Curlicue

● Blazoned

● Confetti

● Technicolor

● Whirly

● Squiggles

● Crayoned

● Son et lumiere

● Batlike

● Gryphon

● Balloons

● Flying saucer

● Insubstantiality

● Airmail

● Solarized

● Planes

● Neato

● Xerox

● Boldfaced

● Bonzer

● Skyline

● Swooping

● Louis bleriot

● Barnstormers

● Contentless

● Logotypes

● Scudding

● Queen mab

● Bumf

● Stealth bomber

● Lucky lindy

● Pegasus

● Flowery

● Unairworthy

● Mylar

● Cupids

● Flashing

● Pictogram

● Fanciful

● Scrim

● Supersonic

● Crosshatching

● Logos

● Gaudily

● Dirigibles

● Cessna

● Braggy

● Gooney bird

● Niner

● Scrawl

● Posterboard

● Dadaist

● Sea gull

● Jacka

● Dopier

● Turtlenecked

● Corny

● Onomatopoetic

● Spraypaint

● Placard

● Multicolored

● Jumbo jet

● Hostie