to fix or attach (something)

attach or stick

to add something in writing; to add something at the end

add, join

(to cause things) to join together

connect, integrate

(to cause things) to become united as one (physical) thing

combine, link

(to cause things) to become (more) solid or strong

combine; make firm

(to cause something) to become larger

extend, augment

to join, fix, (things) firmly

make secure; join together

a place where two or more things have been joined together; to come together

unite

(to cause business companies) to become one unit; to fade or change gradually into something

bring or come together