To write one's signature.
To write (one's name) as a signature.
To validate or ratify (a document) by writing one's signature on it.
To communicate using gestures to (someone).
To bless (someone or something) with the sign of the cross; to mark with the sign of the cross.
To engage (a sports player, musician etc.) in a contract.
To determine the sign of
To cross oneself.
To furnish (a road etc.) with signs.
More generally, to write one's signature on (something) as a means of identification etc.
To finalise a contractual agreement to work for a given sports team, record label etc.
To use sign language.
To communicate or make known (a meaning, intention, etc.) by a sign.
To calculate or derive whether a quantity has a positive or negative sign.
To mark, to put or leave a mark on.
To communicate using a gesture or signal.
An astrological sign.
A specific gesture or motion used to communicate by those with speaking or hearing difficulties; now specifically, a linguistic unit in sign language equivalent to word in spoken languages.
Sign language in general.
A wonder; miracle; prodigy.
A perceptible (e.g. visible) indication.
A property of the body that indicates a disease and, unlike a symptom, can be detected objectively by someone other than the patient.
A military emblem carried on a banner or standard.
Physical evidence left by an animal.
A clearly visible object, generally flat, bearing a short message in words or pictures.
A semantic unit, something that conveys meaning or information (e.g. a word of written language); (linguistics, semiotics) a unit consisting of a signifier and a signified concept. (See sign (semiotics).)
An omen.
Positive or negative polarity, as denoted by the + or - sign.
To sign; to mark with one's signature as a token of consent or attestation.
To sign up to have copies of a publication, such as a newspaper or a magazine, delivered for a period of time.
To agree to buy shares in a company.
To pay money to be a member of an organization.
To contribute or promise to contribute money to a common fund.
To indicate interest in the communications made by a person or organization.
To believe or agree with a theory or an idea (used with to).
To pay for the provision of a service, such as Internet access or a cell phone plan.
To register for notifications about an event or similar.
To promise to give, by writing one's name with the amount.