complete, fill out, fill in, make out (verb)

write all the required information onto a form

"fill out this questionnaire, please!"; "make out a form"

round out, fill out (verb)

make bigger or better or more complete

eke out, fill out (verb)

supplement what is thought to be deficient

"He eked out his meager pay by giving private lessons"; "Braque eked out his collages with charcoal"

pad, fill out (verb)

line or stuff with soft material

"pad a bra"

fatten, fat, flesh out, fill out, plump, plump out, fatten out, fatten up (verb)

make fat or plump

"We will plump out that poor starving child"

round, flesh out, fill out (verb)

become round, plump, or shapely

"The young woman is fleshing out"

fill out (Verb)

To complete a form or questionnaire with requested information.

fill out (Verb)

To have one's physique expand with maturity or with surplus weight.