useful

payload (all meanings)

(law) rank in a list that is good enough that one will not be passed over; ranking obtained after a competition which is sufficiently high for a candidate to be given due consideration and go further in some process

in good time, in due time, in due course

to make a real contribution, to do something useful, to do useful work

plural of utile

usefully (in a useful manner)

plural of charge utile

for your information, for your convenience, for future reference, in case it would prove useful, to whom it may serve