Simple past tense and past participle of initial.(verb)
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Use "initialled" in a sentence
"The story also hinted at a title initialled MGS being lined-up for Natal support."
""The cabinet has approved a service contract to develop and produce the Adhab oilfield between the (Iraqi) Northern Oil Company and a Chinese company, according to terms initialled by both sides," government spokesman Ali al-Dabbagh said in a statement."
"When the EU's deadline for a new regime under an EPA expired at the end of 2007, continued preferential trade was guaranteed under an '' initialled '' interim agreement."