spring on

amaze astound bewilder boggle confound daze dumbfound flabbergast overwhelm shock startle stun stupefy

floor stagger

blow away blow one's mind bowl over knock over put one away take aback throw a curve

clear up expect explain

bore calm

advertise brandish proclaim

air boast broadcast declare disclose display disport divulge expose flash flourish gasconade grandstand hot-dog parade reveal showcase sport streak vaunt

break out fan it flash about let it all hang out make a scene put on an act roll out show and tell smack with throw weight around trot out wave around whip out

hide

conceal cover secrete suppress withhold

refrain

startle

ambush bushwhack capture discover grab grasp nab seize take waylay

burst in on catch in the act catch off-balance catch off-guard catch red-handed catch unawares come down on drop in on lay for lie in wait take by surprise

free give let go liberate lose misunderstand offer release

expect