Definitions
1.nounA positive quantity.
2.nounAn asset or useful addition."He is a real plus to the team."
3.nounA plus sign: +.
4.verbTo add; to subject to addition.
5.verb(often followed by 'up') To increase in magnitude.
6.verbTo improve.
7.verbTo provide critical feedback by giving suggestions for improvement rather than criticisms.
8.verb(sales) To sell additional related items with an original purchase.
9.verbTo frame in a positive light; to provide a sympathetic interpretation.
10.verb(social media) To give a mark of approval on Google+.
11.verbTo increase the potency of a remedy by diluting it in water and stirring.
12.verb(optometry) To increase a correction.