prolong (suomeksi)

pitkittää (v: to lengthen in time; to extend the duration of; to draw out; to continue / to lengthen temporally; to put off to a distant time; to postpone)
pidentää (v: to extend in space or length / to lengthen in time; to extend the duration of; to draw out; to continue / to lengthen temporally; to put off to a distant time; to postpone)
jatkaa (v: to extend in space or length / to lengthen in time; to extend the duration of; to draw out; to continue)
venyttää (v: to extend in space or length / to lengthen in time; to extend the duration of; to draw out; to continue / to lengthen temporally; to put off to a distant time; to postpone)