ADV

quickly
around/round, together

PREP

about/around/round
The boys gathered around the car
for
They are all gathering for a major conference

ADV

hastily, quickly
She hastily gathered all her belongings together
carefully
together, up

ADV

quickly, rapidly
The movement for reform rapidly gathered momentum
slowly
steadily

VERB + GATHER

begin to, start to
As the weeks passed, Charlotte began to gather strength