The Collaborative International Dictionary of English v.0.48:
Inkling \In"kling\, n. A hint; an intimation. [1913 Webster] The least inkling or glimpse of this island. --Bacon. [1913 Webster] They had some inkling of secret messages. --Clarendon. [1913 Webster]WordNet (r) 3.0 (2006):
inkling n 1: a slight suggestion or vague understanding; "he had no inkling what was about to happen" [syn: inkling, intimation, glimmering, glimmer]