Collocations for readiness - noun

greater
constant
combat, military, operational
The troops were in a state of combat readiness.

school (AmE)
the importance of early learning for school readiness

declare, demonstrate, express, indicate, show, signal
Hungary has indicated its readiness to sign the treaty.

in readiness (for)
Service the car in readiness for the trip.

readiness for
to express a readiness for change

hold sb/sth in readiness
They were holding themselves in readiness to wage war.

a state of readiness