rallying

nouns

the act of mobilizing for a common purpose
"the bell was a signal for the rallying of the whole neighborhood"
is a type of (narrower)
act of marshaling and organizing and making ready for use or action
"mobilization of the country's economic resources"
the feat of mustering strength for a renewed effort
"he singled to start a rally in the 9th inning"; "he feared the rallying of their troops for a counterattack"
is derived from

adjectives

rousing or recalling to unity and renewed effort
"a rallying cry"
is similar to
giving courage or confidence or hope
"encouraging advances in medical research"