capacity
This range of tasks is within the capacity of a large secondary school's staff.
We welcome volunteers to do whatever work lies within your capacity.
This is a very enjoyable route which should be within the capacities of any reasonably fit walker.
They were struggling to do work that was not really within their capacities.

SMART Vocabulary: related words and phrases

Easiness and simplicity
(as) easy as pie/ABC/anything/falling off a logidiom
accessibility
at the push of a buttonidiom
at the stroke of a penidiom
be a matter of somethingidiom
fail-safe
foolproof
frictionless
frictionlessly
friendly
over-simply
painlessly
painting
painting by numbersidiom
the path of least resistanceidiom
walk into something
walkaway
walkover
wieldy
with your eyes closed/shutidiom