Vigilant
Watchful, attentive
Swaggered
Walked confidently, rolled
Flippancy
Superficiality, cheekiness
Beckoned
Signalled, gestured
Incredulous
Disbelieving
Austerity
Gravity, sternness
Reliant
Dependant on something
Appalling
Abhorrent, horrifying
Erroneously
Incorrectly, mistaken way
Haunches
Rump, rear end
Spurious
Fake, invalid