add
There is another factor that we have to add in as well.
Add in the sugar and then slowly add the coconut milk.
The committee ended up adding her suggestion in.
He added in that the law would also give qualified households a reduction in tax.

SMART Vocabulary: related words and phrases

Augmenting and supplementing
a new lease of lifeidiom
accrete
accrue
add
addendum
addition
annexure
bolt
extension
gain
horizon
incremental
interpolate
interpolation
new
tag something on
top something up
transfuse
weight
write something into something

add in | Business English

add in

phrasal verb with addverb[ T ]uk /æd/us
to include something as part of something else:
A loan for $100 could carry annual interest rates of 50% once fees are added in.