observant

1 ENTRIES FOUND:
observant /əbˈzɚvənt/ adjective
observant
/əbˈzɚvənt/
adjective
Britannica Dictionary definition of OBSERVANT
[more observant; most observant]
1 
: good at watching and listening : good at noticing what is going on around you
2 
: careful to follow religious teachings or customs