conventional, orthodox, traditional
alternate (AmE), alternative, different, fresh, new, novel
We need to try alternative approaches to the problem.

cautious, conservative
proactive
The company is taking a proactive approach to easing the energy crisis.

creative, innovative
flexible
eclectic
balanced, common-sense, no-nonsense, positive, practical, pragmatic, problem-solving, rational, sensible, straightforward, useful
a pragmatic approach to the role of religion in politics

direct, hands-on
hands-off, indirect
wait-and-see
step-by-step
one-size-fits-all
He criticized the one-size-fits-all approach to learning.

piecemeal
formal, informal
aggressive
low-key
right, wrong
basic, general
analytical, disciplined, scientific, structured, systematic, theoretical
methodological
holistic, integrated
The therapy takes a holistic approach to health and well-being.

interdisciplinary, multidisciplinary
two-pronged
bottom-up, top-down
simplistic
comprehensive

have
Some teachers have a more traditional approach to teaching.

adopt, apply, develop, employ, follow, implement, pursue, take, try, use, utilize
We need to adopt a more pragmatic approach.

pioneer
The US army pioneered this approach.

advocate, favour/favor, prefer
Next time I'd advocate the direct approach.

change, modify, rethink
He challenges teachers to rethink their approach.

abandon
evaluate
describe, outline
test
I spent some time testing this approach.

extend
This approach can be extended to other fields.
Extending this approach to the rest of the planet became the focus for our international negotiations.

allow sth, enable sth
This approach allows students to learn at their own pace.

offer sth, yield sth
This approach offers many advantages.
Taking a fresh approach often yields interesting results.

fail, work
This approach works for me.

approach to
I liked her approach to the problem

shallow, steep

make
The aircraft had to make a steep approach to the landing strip.

signal
The swishing of the grass signalled the approach of a person.

speed
route

at the approach of
The children fell silent at the approach of their teacher.

with the approach of
The weather turned warmer with the approach of spring.

approach to
The plane crashed during its approach to the runway.

make
have, receive (esp. BrE)

approach from
We've received an approach from the director of a rival company.

approach to
We'll have to make an approach to the chief executive.

slowly
carefully, cautiously, warily, with caution

from
The army approached from the south.

fast, quickly, rapidly, swiftly
The time is fast approaching when we will have to replace these old machines.

directly
It's best to approach her directly.

be easy to
be difficult to
She found her father difficult to approach.

about
Have you approached John about doing a concert?

for
I approached the bank for a loan.

closely
Here Wordsworth's verse movement closely approaches that of Gray.

not remotely
There is no other player even remotely approaching her.

Approach is used with these nouns as the subject:
anniversary, deadline, death, dusk, election, footstep, midnight, train, war

Approach is used with these nouns as the object:
altar, birthday, checkpoint, climax, coast, corner, counter, death, destination, door, end, infinity, limit, mark, matter, maturity, menopause, middle age, old age, perfection, problem, puberty, retirement, saturation, shore, subject, task, topic, turn