in reason
Following the rules of reasoning; sensibly; reasonably.
One cannot in reason doubt that freedom is better than slavery.
in reference to
with reference to
in regard to
with regard to
In connection with; from the standpoint of; concerning; regarding; about.
I am writing with reference to your last letter.
He spoke in reference to the Boy Scouts.
I spoke to him with regard to his low marks.
In regard to the test tomorrow, it is postponed.
in relation to
with relation to
In connection with; in dealing with; as concerns; in comparison to; respecting; about.
Father spoke about school in relation to finding a job when we are older.
What did you say in relation to what happened yesterday?
With relation to his job, skill is very important.
In relation to Texas, Rhode Island is quite a small state.
in respect to
with respect to
In connection with; related to, about; on.
The teacher told stories about Washington and Lincoln in respect to the importance of being honest.
In respect to your visit with us, we hope you can come before September.
There was no shortage in respect to food.
in return
In order to give back something; as payment; in recognition or exchange. Often used with "for".
Bud gave me his knife and I gave him marbles in return.
The lady helped Mother when she was sick and in return Mother often invited her to dinner.
How much did John give you in return for your bicycle?
I hit him in return for the time he hit me.
I wrote Dad a letter and got a package in return.
in reverse
In a backward direction; backward.
John hit the tree behind him when he put the car in reverse without looking first.
The first of the year Bob did well in school but then he started moving in reverse.
in round figures
in round numbers
As an estimated number; as a rounded-off figure containing no decimals or fractions.
Skip the cents and just tell me in round figures how much this car repair will cost.
in search of
Seeking or looking for; in pursuit of.
Many men went West in search of gold.
We looked everywhere in search of our dog.