The concept of "acquire" can be signed several different ways
depending on what you mean.
If you mean "get" (as in "receive") see:
GET
If you mean "develop," see: DEVELOP
If you mean "learn," see: LEARN
If you mean "steal" see: STEAL
You can learn
American Sign Language (ASL) online at American Sign Language University ™
ASL resources by Lifeprint.com © Dr. William Vicars