Answer: lengthen

AnswerCrossword Clue
LENGTHENExtend
LENGTHENAdd to
LENGTHENAlter, in a way
LENGTHENProlong
LENGTHENStretch
LENGTHENExtend.
LENGTHENCommand to a tailor
LENGTHENExtend, as a hemline
LENGTHENStretch out
lengthenMake or become longer
lengthenMake (a vowel or syllable) long
lengthento make longer