To Compare

1. (transitive) To assess the similarities and differences between two or more things ["to compare X with Y"]. Having made the comparison of X with Y, one might have found it similar to Y or different from Y.
2. (transitive) To declare two things to be similar in some respect ["to compare X to Y"].
3. (transitive, grammar) To form the three degrees of comparison of (an adjective).
4. (intransitive) To be similar (often used in the negative).
5. (obsolete) To get; to obtain.