Make sure and Size up

Make sure verb - Make a point of doing something; act purposefully and intentionally.

Size up and make sure are semantically related in confirm topic. In some cases you can use "Size up" instead a verb phrase "Make sure", when it comes to topics like ratify.

Size up verb - Look at critically or searchingly, or in minute detail.

Make sure and size up are semantically related in confirm topic. Sometimes you can use "Make sure" instead a verb "Size up", if it concerns topics such as ratify.