(an instance of) the process of collecting something

gathering or amassing

a group of people who have come together for a particular purpose

congregation

a number of people or things receiving attention as a group

group of same objects

call somebody up

gathering

the state of being together with another or others

crowd of people

a group of people (especially taking part in religious worship)

assembled group, especially concerned with church-going

all the people working a boat, ship or plane; all these except the officers

group working together

a number of people or things gathered or placed together, or naturally associated

number of individuals collectively

a number (of things), mass (of material), piled up; a large quantity

pile, accumulation

a carefully saved and guarded store or collection of money, coins, food and other treasured or valuable objects; to save and store (money, valuable things)

stockpile

(of) one thousand thousand (1 000 000)

heap

a collection of writings on various subjects by various authors

varied collection

a large variety or number

heap

a large number (especially of people gathered together); the ordinary people

large group

to collect or gather (people, support etc) together

gathering

a number of things lying one on another; a large amount (of money)

heap, collection

haemorrhoids

heap, collection

a great quantity (of writing)

heap

(of workers, students etc) to sit down in a factory, building etc and refuse to leave (as a protest)

congregation

of slay

heap

a bicycle made for two people to ride on with pedals for both

group, crew

a number of people playing together and forming one side in a game or sport; to work, cooperate, (with a person)

group, crew

(GB) one million million million; (US) one million million

heap