What is the meaning of Eens?

plural of een

once, one time

sometime, at an unspecified time

modal particle which gives a slightly softer tone to requests or imperatives

even

once, as soon as

of one accord or opinion, in agreement

genitive masculine/neuter of een; of a

ellipsis of daar ben ik het mee eens (“I agree with this”) or ik ben het met je eens (“I agree with you”) agreed

one

one (numerical value represented by the Arabic numeral 1; first positive number in the set of natural numbers)

Source: wiktionary.org