make out

1.  Discern or see, especially with difficulty, as in I can hardly make out the number on the door. [Mid-1700s]
2.  Manage, get along, as in How did you make out with the accountant? This usage was first recorded in 1820.
3.  Engage in sexual foreplay or intercourse, as in Bill and Jane were making out on the sofa, or Joe bragged that he made out last night. [Slang; early 1900s]
4.  Understand, as in I can't make out what she is trying to say. [Mid-1600s] Also see can't make head or tail of.
5.  Establish or prove, as in He made out that he was innocent. [Colloquial; mid-1600s]
6.  Imply or suggest. This usage often occurs with an infinitive, as in Are you making me out to be a liar? [Colloquial; mid-1600s]
7.  Write out, draw up; fill in a written form. For example, He made out the invoices, or Jane started making out job applications. This usage was first recorded in 1465.

Definition: get by, succeed
Antonyms: fail

v

Definition: understand
Antonyms: misconceive, misunderstand

The verb has 10 meanings:

Meaning #1: detect with the senses
  Synonyms: recognize, recognise, distinguish, discern, pick out, tell apart

Meaning #2: make out and issue
  Synonyms: write out, issue, cut

Meaning #3: comprehend

Meaning #4: proceed or get along
  Synonyms: do, fare, come, get along

Meaning #5: come to terms or deal successfully with
  Synonyms: cope, get by, make do, contend, grapple, deal, manage

Meaning #6: have sexual intercourse with
  Synonyms: love, make love, sleep with, get laid, have sex, know, do it, be intimate, have intercourse, have it away, have it off, screw, fuck, jazz, eff, hump, lie with, bed, have a go at it, bang, get it on, bonk

Meaning #7: kiss, embrace, or fondle with sexual passion
  Synonym: neck

Meaning #8: write all the required information onto a form
  Synonyms: complete, fill out, fill in

Meaning #9: imply or suggest

Meaning #10: try to establish