Per Answers.com Thesaurus...
last
verb
1. To be in existence or in a certain state for an indefinitely long time: abide, continue, endure, go on, hold out, persist, remain, stay1. See continue/stop/pause.
2. To exist in spite of adversity: come through, persist, pull through, ride out, survive, weather. See live/die.
3. To remain fresh and unspoiled: keep. See change/persist.
third
extended time
beforehand
exposure time = induction period
extra hours or extended hours
acute
another word for no time to play is buisy
Penultimate!
Last Evening and Yesterday Night
Another word could be era.
Final
Her maiden name
third
found another orphan
time of need
extended time
Another word for turned is rotated. Another is pivoted. The phrase "changed to" is also an option. Example sentence: Last fall, the leaves changed to red. Last fall, the leaves turned red.