anything that serves to guide or direct in the solution of a problem, mystery, etc.

clew ( defs. 1?4, 6, 12 ) .

to direct or point out by a clue.

clew ( def. 7 ) . ?

clue in,

to provide with useful or reliable information

Clue us in on how these forms are to be filled out.

to make familiar or aware

Has she been clued in about the rules of this office?

verb

hide , keep secret

noun

cue , dead giveaway * , hot lead , indication , inkling , intimation , key , lead , mark , notion , pointer , print , proof , sign , solution , suggestion , suspicion , telltale , tip , tip-off , trace , track , wind , scent , characteristic , clew , criterion , giveaway , hint , implication , innuendo , landmark , signal , symptom

verb

acquaint , advise , apprise , fill in , give the lowdown , give the skinny on , hint , indicate , inform , intimate , lead to , leave evidence , leave trace , leave tracks , notify , point to , post , suggest , tell , warn , wise up , answer , evidence , fingerprint , guide , idea , inkling , innuendo , intimation , key , lead , sign , suggestion , telltale , tip , trace